Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force Lab 5 Torque and Angular Acceleration Objective: < To observe the relationship between torque, angular acceleration and moment of inertia. Equipment: < Rotating table < Ring and disk < Hooked weight sets < Dial caliper < Pasco Smart Pulley < Pasco Science Workshop and Computer Interface Physical principles: Newton’s law of motion for rotation asserts that the net torque acting on an object equals the product of its moment of inertia and its angular acceleration. τ= Iα (1) Torque is defined as the product of the component of force perpendicular to the lever arm and the length of the lever arm. τ= F l (2) ⊥ The moment of inertia is defined as the product of each mass piece times the square of that mass from the axis of rotation. I =∑m r2 (3) i ⊥ When an object is rotating the tangential acceleration of a point on its surface is equal to the angular acceleration of the object times the distance of the point from the axis of rotation. a=rα (4) The Experiment: A rotating platform is accelerated by a string that is wrapped on a drum attached to it. The radius of this drum is denoted by b and is determined as half of the diameter of the drum as measured with the dial caliper. The string passes over a Smart Pulley and around a second pulley that supports an accelerating mass m. The string is secured to a Force Sensor that measures the force

Lab 5 Torque and Angular Acceleration

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