Forces & Motion

The greater the _________ the easier the object will move.

• gravity

• inertia

• energy

• force

We added wheels to our bureau to create less _______ when we move it.

• force

• friction

• Newton

• push

__________ is the idea that something in motion will remain in motion, and something at rest will remain at rest, unless affected by an outside source.

• force

• Newton

• gravity

• inertia

To do a job in less time and with less energy, use a _________.

• force

• machine

• balance

• friction

If you have a few people ______ on the rope, the box will be easier to move.

• pull

• push

• friction

• energy

It takes ________ to get a job done.

• energy

• Newton

• force

• pull

That rock will roll down the hill due to the force of _______

• gravity

• force

• Newton

• pull

To make something _____________ both ends need to have the same weight.

• friction

• machine

• force

• balance

It would be more difficult to ________ a wagon if it didn't have wheels.

• gravity

• Newton

• pull

• inertia

__________'s theories on motion are still believed correct today.

• force

• inertia

• energy

• Newton