Force and Motion Flashcard

Front

What is Newton's 3rd Law of Motion?

Back

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

Front

What does Newton's 3rd Law of Motion imply when you push a boat off from the dock?

Back

It demonstrates that for every action (pushing the boat), there is an equal and opposite reaction (the boat pushing back against you).

Front

How does friction affect the speed of an object?

Back

More friction decreases speed.

Front

What is the role of friction when going down a hill?

Back

Friction makes it harder to go down the hill.

Front

What does it mean if the forces acting on an object are balanced?

Back

The object is not moving.

Front

What is an example of an unbalanced force?

Back

A person pushing a stationary car to make it move.

Front

What happens to an object in motion if no forces act on it?

Back

It continues to move at a constant speed in a straight line.

Front

What is the definition of force?

Back

A push or pull that can change the motion of an object.

Front

What is inertia?

Back

The tendency of an object to resist changes in its state of motion.

Front

What is an example of Newton's 1st Law of Motion?

Back

A soccer ball remains at rest until kicked.