Force, Motion, Energy

Front

Unless acted on by a force, objects in motion will stay in ____________.

Back

motion

Front

Which scientist studied force and motion?

Back

Sir Isaac Newton

Front

Which object would be easiest to move? 5 pound ball, 10 pound ball, 15 pound ball, or 20 pound ball?

Back

5 pound ball

Front

If you add weight to an object, it would need __________ force to move it.

Back

more

Front

___________ is an opposing force that makes objects in motion slow down.

Back

friction

Front

What is force?

Back

A push or pull on an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is energy?

Back

The ability to do work or cause change.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.

Front

What is gravity?

Back

A force that pulls objects toward each other, like the Earth pulling us down.