Centripetal Force Lab - Centripetal Force Lab Purpose 1 To...

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Centripetal Force Lab Purpose: 1. To study the nature of Centripetal Force 2. To measure the relationship between Centripetal Force, mass, and velocity Apparatus: 1. Centripetal Force Kit consisting of: PVC tubing Nylon cord Rubber stopper 2. Slotted masses: 50g, 100g, 150g, 200g 3. Slotted Mass Hanger 4. Stop Watch 5. Triple Beam Balance 6. Paper Clip Introduction: An object moving with a changing speed in the same direction is undergoing acceleration. If an object moves with a constant speed but is changing direction, it is also undergoing acceleration. Both types of accelerations require a force. A change in direction is called centripetal acceleration, and the force producing it is called centripetal force. Consider the figure below: Mass m1 is traveling in uniform circular motion with radius r, at a constant tangential speed of vt. Because the mass is constantly changing direction it is subject to centripetal acceleration given by the equation: r v a t t 2 =
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