Energy Quiz Review

What is gravitational potential energy (GPE)?

• Stored energy due to an object's shape

• Stored energy due to an object's position

• Energy due to the motion of an object

• Stored energy due to the condition of the object

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• Energy an object has due to its height

• Stored energy due to an object's position

• Energy an object has due to its motion

• Stored energy due to an object's condition

Tags

NGSS.HS-PS3-2

An object is as rest. What types of energy are possible for it to have?

• GPE and KE

• GPE

• KE

• It has no GPE or KE

What has more kinetic energy? A 10 kg stone moving at 5 m/s, or a 5 kg ball moving at 10 m/s?

• The stone

• The ball

• They have the same KE

• Not enough info

What is the mass of an object that has 50 J of kinetic energy when it has a velocity of 8 m/s?

• 1.56 kg

• 0.78 kg

• 3200 kg

• 6.25 kg

What happens to the kinetic energy of an object if its mass is doubled?

• KE is unchanged

• KE is halved

• KE is quadrupled

• KE is doubled

What happens to the kinetic energy of an object if its velocity is tripled?

• 6x more KE

• 3x more KE

• 9x more KE

• 3x less KE

A baseball is thrown straight up into the air. At which point is the potential energy of the baseball the least?

• At the apex

• Halfway up

• Halfway down

• As soon as it is thrown

A baseball is thrown straight up into the air. At which point is the kinetic energy the least?

• As soon as it is thrown

• Right before you catch it

• At the apex

• Halfway to the apex

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

What is the gravitational potential energy of a 20 N hockey puck that is on a 2 m high bench?

• 40 J

• 10 J

• 400 J

• 100 J

Tags

NGSS.MS-PS3-2