Unit 2 Review

Front

What is net force?

Back

The sum of all forces acting on an object, taking into account their direction.

Front

What does it mean if forces are balanced?

Back

The net force is zero, meaning the object remains at rest or in uniform motion.

Front

What does kinetic mean?

Back

Kinetic means moving.

Front

If a box is at rest and a force is applied, what determines if it will move?

Back

The applied force must be greater than the opposing forces (like friction) for the box to move.

Front

What is the formula for calculating net force?

Back

Net Force = Force applied - Opposing force.

Front

If two forces act in opposite directions, how do you find the net force?

Back

Subtract the smaller force from the larger force and indicate the direction of the larger force.

Front

What happens when the net force on an object is not zero?

Back

The object will accelerate in the direction of the net force.

Front

What is an example of an unbalanced force?

Back

A person pushing a stationary car; if the push is strong enough, the car will move.

Front

What is the effect of balanced forces on an object?

Back

The object will either remain at rest or continue moving at a constant velocity.

Front

In a tug of war, if one person pulls with 55 N to the right and another with 65 N to the left, what is the net force?

Back

10 N to the left.