Kinetic Energy

As the velocity of an object decreases its KE will...

• increase

• decrease

• stay the same

As mass increases, KE ...

• increases
• decreases
• stays the same

Kinetic energy is...

• energy carried in ultraviolet waves

• energy stored in food

• energy in motion

• energy from splitting an atom

What two factors affect an object's kinetic energy?

• area and volume

• mass and weight

• weight and height

• mass and speed

Where would this tossed baseball have the greatest amount of kinetic energy? (Hint: where is it moving the fastest?)

• point W

• point X

• point y

• point z

If moving at the same speed, increasing an object's mass will increase its kinetic energy.

• true

• false

Increasing an object's speed will increase its kinetic energy.

• false

• true

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

• more

• less

• none of the above

• all of the above

If all these objects are moving at 45 kg/h, which would have the greatest kinetic energy?

• tennis ball

• football

• notebook

• tv

Suppose all of these objects were moving at 12 m.p.h. Which of these would have the greatest kinetic energy?

• A car moving

• A person running

• A ball rolling

Answer explanation

The mass of the car is greater than the mass of any of the other objects.