Ke and Gpe

You drop a baseball. As it's falling, its gravitational potential energy is...

• decreasing

• increasing

• staying the same

Answer explanation

As something falls, it gets lower. The lower something is, the less gravitational potential energy it has.

Tags

NGSS.MS-PS3-2

You drop a baseball. As it's falling, its kinetic energy is...

• decreasing

• increasing

• staying the same

Answer explanation

As the baseball falls, its speed increases. Higher speed means more kinetic energy.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

The energy of motion is called

• kinetic energy

• chemical potential energy

• elastic potential energy

• radiant energy

• gravitational potential energy

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Roger Federer’s tennis ball has a mass of 0.3 kg. If he holds the ball above the ground at a height of 2.0 m to serve, what is its gravitational potential energy (GPE)?

• 5.88 J

• 0.6 J

• 6.67 J

• 0.15 J

Tags

NGSS.MS-PS2-4

Energy due to motion is ____________ energy. 

• Potential 

• Energy

• Kinetic

• Friction

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

__________ is stored energy. 

• Potential

• Kinetic

• None of the above 

• All of the above 

Tags

NGSS.MS-PS3-2

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

• Height and mass

• Friction and movement

• Mass and Movement

• Height and Friction 

Tags

NGSS.MS-PS3-2

In order to INCREASE the potential energy of an object, you need to:

• put the object lower to the ground

• raise the object higher

Tags

NGSS.MS-PS3-2

When a pendulum swings, at which point is potential energy at its greatest

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS3-2

Calculate the potential energy of a 5 kg weight lifted 1.5 meters into the air. 

• 750 J

• 7.5 J

• 75 J

• 3.3 J

Tags

NGSS.MS-PS3-2