WPEMIC Unit Review

____________ is the ability to cause change. 

• Energy 
• Force 
• Friction
• Motion

Energy due to motion is ____________ energy. 

• Potential 
• Energy
• Kinetic
• Friction

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

__________ is stored energy. 

• Potential
• Kinetic
• None of the above 
• All of the above 

The gravitational potential energy stored between an object and Earth depends on 

• The object's speed and height. 
• The object's mass and speed. 
• the object's size and weight. 
• The object's height and weight. 

Which point has the most potential energy?

• G
• f
• b
• a

Which 2 letters have the most kinetic energy

• W & Y
• X & Z

What is the kinetic energy of a ball with a mass of 65.0 kg while rolling at a rate of 2.50 m/s?

• 81.3 J

• 203 J

• 406 J

• 110 J

Calculate the potential energy of a rock with a mass of 55.0 kg as it sits on a cliff that is 27.0 m high.

• 1490 J

• 13500 J

• 14600 J

• 1290 J

A kid throws a ball with a force of 70.0 N over 1.1 meters. How much work did he do?

• 77 joules

• 70 joules

• 7.7 joules

• 11 joules