Kinetic energy

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

• more
• less
• none of the above
• same

What kind of energy is in a moving skateboard?

• Potential
• Kinetic
• Both potential and kinetic energy
• none of the above

Which is the best example that something has kinetic energy?

• a. a car parked on a steep hill 
• b. a tennis ball rolling across the court
• c. a picture hanging on the wall 
• d. a piece of coal before it's burned 

When a pendulum swings, at which point is kinetic energy highest?

• 1
• 2
• 3
• 4

Energy can be _____________ or changed from one type to another.

• destroyed
• transferred
• created
• ignored

Conservation of energy states that energy cannot be ________ or ________, but can be altered from one form to another.

• created, destroyed
• gravity, force
• heat, created

What are the two factors that affect kinetic energy?

• time and energy
• power and mass
• mass and speed
• time and work

What is the unit of measurement for kinetic energy

• Newton
• Joule
• Watt
• Kilogram

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 

Calculate the KE of a runner that has a mass of 80 kg and is running at a velocity of 8 m/s

• 5120 J

• 320 J

• 640 J

• 2560 J