Unit 3 Forces and Energy

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

What would have the greatest kinetic energy?

• A car driving down a hill.
• A person running down a hill. 
• A ball rolling down a hill. 
• leaves rolling down a hill 

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

• more
• less
• none of the above
• same

Which is an example of potential energy?

• a roller coaster speeding down a hill
• the pulled back string on an archers's bow
• releasing the strings on a guitar
• an electric current lighting a light bulb

What energy conversion happens when a roller coaster car moves DOWN a hill?

• Kinetic energy is converted to potential energy.

• Potential energy is converted to kinetic energy.

• Friction energy slows it down.

• Thermal energy is converted to solar energy.

At which letter is potential energy the highest? (6.8A)

• b

• c

• a

• d

At which letter is kinetic energy the highest? (6.8A)

• a

• b

• c

• d

Force is measured in....

• Galileos 
• Newtons
• Di Vincis
• Einsteins 

Potential energy is stored energy.

Which of these is a good example of stored energy?

• The glow from a snapped glowstick. (Light energy)

• A lit match. (Thermal energy)

• A battery. (Chemical energy)

The ability to do work or cause change is called ________.

• velocity

• energy

• transfer

• friction