PHY133-04-EnergyConservation

PHY133-04-EnergyConservation - PHYSICS 133 EXPERIMENT NO. 4...

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PHYSICS 133 EXPERIMENT NO. 4 CONSERVATION OF ENERGY Introduction In this week's lab, we will study the vector nature of force and energy conservation using a glider on an air track. A vector can be expressed as the sum of its components along a conveniently chosen coordinate system. In the first part of this experiment, we will study the component of the gravitational force, mg sin θ , by using a tilted air track, where is the tilt angle. For an isolated non-dissipative (e.g., frictionless) system, the total mechanical energy must be conserved. In the second part of the experiment, we will examine the law of energy conservation by observing the transfer of gravitational potential energy to kinetic energy. Equipment 1 air track, 1 glider with photogate, 1 light sensor, 1 interface box, 1 computer with timing program, 2 wood blocks, 10 and 20 gram masses, low-friction pulley and thread. Method A battery-powered photogate is mounted on the glider. When activated with the small push-button on the side of the glider, the photogate turns on a bright, light emitting diode (LED) whenever the picket fence over the air track blocks the photogate. A light sensor at the end of the air track receives the LED signals and a timing program in the computer
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PHY133-04-EnergyConservation - PHYSICS 133 EXPERIMENT NO. 4...

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