Motion, forces, work, and energy review

The place where something is is called its ...

• motion

• reference point

• position

• speed

If I describe my position as "at my desk on the M-Floor", I'm using my desk as a ...

• speed

• force

• reference point

• direction

The process of changing position is called ...

• motion

• speed

• force

• kilometers

To describe motion of an object, we must include the distance moved as well as the ...

• volume

• colour

• mass

• direction

To calculate speed, we use the formula speed = distance  $\div$  ...

• time

• mass

• volume

• energy

If a car travels 30 m in 10 seconds how fast is it going?

• 30 m/s

• 3 km/h

• 300 km/h

• 3 m/s

When you give the speed AND direction of a moving object, you are describing ...

• acceleration

• velocity

• position

• work

If an object is accelerating, it could be speeding up, slowing down, or changing ...

• direction

• mass

• energy

• force

When a force happens between two objects that are touching each other, it is a ___________ force.

• non-contact

• long

• contact

• short

Gravity is a force of _____________ between all objects.

• sliding

• repulsion

• attraction

• dragging