Friction, kinetic and potential energy, and law of conservation

Energy is the ability to do____?

• to do work

• to move object

• to turn on a light

• to power things

The law of Conservation of Energy states ..

• Energy can created or destroyed but not transformed

• Energy cannot be created or destroyed, it can only transformed

• Energy can't be created, destroyed or transformed

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

• more

• less

• all of the above

• none of the above

___________ is stored energy

• Potential

• Kinetic

• none of the above

• all of the above

At which point does potential energy greatest

• W

• X

• Y

• Z

At which point kinetic energy is greatest?

• W

• X

• Y

• Z

Click to look at the picture.

The picture is an example of _____ .

• gravity

• kinetic

• potential

• friction

As height increases, so does...

• Thermal energy

• Mechanical energy

• Kinetic energy

• Potential energy

Friction is a force that acts in an ___________ direction of movement.

• similar
• opposite
• parallel
• west

“Ball C" is rolling across the surface, but it eventually comes to a stop. Which force is most likely responsible for this?

• gravity
• friction
• electricity
• magnetism