Newton's Laws of Motion

Which law of motion is best described by "inertia"?

• 1st

• 2nd

• 3rd

A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law

Force = Mass x Acceleration

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

"For every action, there is an equal and opposite reaction."

• Newton's 1st Law
• Newton's 2nd Law
• Newton's 3rd Law
• Newton's 4th Law

Looking at the image. Decide if this is balanced or unbalanced.

• Unbalanced

• Balanced

Looking at the image. Decide if this is balanced or unbalanced.

• Unbalanced

• Balanced

The reason a ball bounces up when it hits the ground:

• The ball and ground repel each other.

• The ball exerts a force on the ground, and the ground exerts a force on the ball.

Suppose an Astronaut floating in space throws a rock. What will happen to the rock?

• It will continue to move in the same direction, getting faster and faster as it moves.

• It will continue to move at the same speed and in the same direction until it is acted upon by another force.

Which way would a swimmer push to move forward in the water?

• To the left

• Forward

• Backward

Which law explains why the driver "keeps moving forwards, even though the car has stopped"?

• 1st

• 2nd

• 3rd