Physics Final Exam Review

The 1,100 kg car comes to a stop. If the vehicle is accelerating at a 1.2 m/s^2, which force is CLOSEST to the net force acting on the vehicle?

 $F\ =\ M\ \times\ A$  

• 9,600 N

• 1,300 N

• 900 N

• 94 N

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A dad (more mass) and a daughter (less mass) push against each other while ice skating. What would the motion of the two people be?

• The dad moves forward, and the daughter moves backward with greater acceleration.

• Both move forward, but the dad moves with greater acceleration.

• The dad moves backwards, and the daughter moves forward with greater acceleration.

• Both will move backwards, but the daughter moves with a greater acceleration.

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What type of energy is in this picture?

• Kinetic
• Potential
• Chemical
• Sound

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Work is:

• A transfer of energy by a force to move and object
• Something you get paid for
• Something you take home
• Makes you sweat

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On a roller coaster, where is maximum potential energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

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On a roller coaster, where is maximum kinetic energy?

• At the bottom of a big hill
• When going around a corner
• When going upside down
• At the top of a big hill

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How much work is done on a 50 N rock that you lift 10 m straight up?

• 500 J
• 50 J
• 10 J
• 1 J

A 25kg race car driver drives a 250kg car down a drag strip with a speed of 100m/s.  What is kinetic energy of the car and driver?

• 1,250,000 J
• 137,500 J
• 1,375,000 J
• 13,750,000 J

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At which point is potential energy greatest

• W
• X
• Y
• Z

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As a pendulum swings from its highest to lowest position, what happens to its kinetic and potential energy? 

• Both the potential energy and kinetic energy decrease
• The potential energy decreases while the kinetic energy increases 
• The kinetic energy decreases while the potential energy increases 
• Bothe the potential energy and kinetic energy increase 

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