Energy, Forces, and Speed

What is potential energy?

• The energy an object has due to its atomic structure.

• The energy an object has due to its chemical composition.

• The energy an object has due to its motion.

• The energy an object has due to its position or condition.

Tags

NGSS.MS-PS3-2

What is kinetic energy?

• The energy an object has due to its position or condition

• The energy an object has due to its motion

• The energy an object has due to its chemical composition

• The energy an object has due to its atomic structure

Tags

NGSS.MS-PS3-1

When does an object have no kinetic energy?

• When it's at rest.

• When it's moving very slowly.

• When the only force that's acting on it is gravity.

• When it has no electrical charge.

Which object has the most potential energy?

• A ball resting on the ground.

• A ball being thrown at 100 miles per hour.

• A ball on top of a refrigerator.

• A ball resting on the edge of a cliff.

Tags

NGSS.MS-PS3-2

When does a yo-yo have the most potential energy?

• When it's at its highest point.

• When it's at its lowest point.

• When it's moving between its highest and lowest points.

• When it's moving at its top speed.

Tags

NGSS.MS-PS3-2

What do potential and kinetic energy have in common?

• They're both related to density.

• They're both unrelated to size.

• They're both related to volume.

• They're both related to motion.

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-2

Which type of energy increases when you compress a spring?

• elastic potential energy
• kinetic energy
• radiant energy
• sound energy

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

• more
• less
• none of the above
• all of the above 

Tags

NGSS.MS-PS3-1

A force is ____.

• a push or pull that can cause movement

• a magnet

• when someone does not work

Tags

NGSS.MS-PS2-1

When forces do not result in a change of motion, they are called __________.

• balanced forces

• unbalanced forces