Ch.7 Study deck

Front

Which statement best describes Newton's First Law of Motion?

Back

An object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

Front

If a car is moving at a constant velocity, which of the following statements is true according to Newton's First Law?

Back

The forces acting on the car are balanced.

Front

What is the formula for Newton's Second Law of Motion?

Back

Front

A 5 kg object is subjected to a net force of 20 N. What is the acceleration of the object?

Back

4 m/s²

Front

Example of Newton's Third Law of Motion: A book resting on a table., A rocket launching into space., A car accelerating on a highway., A ball rolling down a hill.

Back

A rocket launching into space.

Front

If you push against a wall with a force of 50 N, what force does the wall exert on you?

Back

50 N

Front

What does Newton's Third Law of Motion state?

Back

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

Front

A swimmer pushes the water back with her hands. What is the reaction force according to Newton's Third Law?

Back

The water pushes the swimmer forward.

Front

Consequence of Newton's First Law?

Back

Objects in motion tend to stay in motion.

Front

A 10 kg object is at rest. What is the net force acting on it?

Back

0 N