Forces Review

Front

What is defined as a push or a pull?

Back

Force

Front

If the force of the girl pushing is 20N, and the boy who is also pushing is 15N, what is the net force?

Back

35N

Front

Which is the best example that something has kinetic energy?

Back

A tennis ball rolling across the court.

Front

If you apply an unbalanced force to an object at rest, what will happen to that object?

Back

The object will move.

Front

Which of the following forces acts parallel to the surface of contact?

Back

Frictional force.

Front

What is the definition of friction?

Back

Friction is a force that opposes the motion of an object.

Front

What is kinetic energy?

Back

Kinetic energy is the energy an object possesses due to its motion.

Front

What is the formula for calculating net force?

Back

Net force = Sum of all forces acting on an object.

Front

What happens to an object in motion if no net force acts on it?

Back

It continues to move at a constant velocity.

Front

What is gravitational force?

Back

Gravitational force is the attraction between two masses.