Newton's Laws of Motion Concepts

What does Newton's First Law say about an object that is not moving?

• It will start to move on its own.

• It will stay still unless something pushes or pulls it.

• It will float away.

• It will get heavier.

What two things decide how fast an object changes its speed?

• Its color and how old it is.

• How hard you push or pull it, and how heavy it is.

• Its shape and where it is.

• How shiny it is and its temperature.

If you push a 10 kg rock so it speeds up by 5 m/s each second, how much force did you use?

• 10 Newtons

• 5 Newtons

• 50 Newtons

• 15 Newtons

When a rocket shoots gas downwards, what happens to the rocket?

• It stays on the ground.

• It moves sideways.

• It gets pushed upwards.

• It falls apart.