Unit 1.1 Final Exam

Front

What is the reason a large rock remains motionless on a flat sidewalk?

Back

The forces acting on the rock are all balanced.

Front

What does the gravitational attraction between two objects depend on?

Back

The mass of the objects.

Front

What force is increased by pouring sand on an icy road to help cars stay on the road?

Back

Friction.

Front

What is Net Force?

Back

The overall force acting on an object when all the individual forces are combined.

Front

If an object has a Net Force of 6N to the left, what can we infer about its movement?

Back

The object will move to the left.

Front

If an object has a Net Force of 9N to the right, what can we infer about its movement?

Back

The object will move to the right.

Front

What is the relationship between mass and gravitational attraction?

Back

Gravitational attraction increases with greater mass.

Front

What happens to an object's motion if the forces acting on it are balanced?

Back

The object remains at rest or continues to move at a constant velocity.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

How does increasing friction help vehicles on icy roads?

Back

It provides better grip, preventing slipping.