6.7A, 6.7B, 6.7C Review

Front

What is net force?

Back

Net force is the overall force acting on an object when all the individual forces are combined. It determines the object's motion.

Front

If two forces of 15 N are acting in the same direction, what is the net force?

Back

30 N Right

Front

What is the normal force?

Back

The normal force is the support force exerted upon an object that is in contact with a stable surface, acting perpendicular to the surface.

Front

What is another name for the normal force?

Back

Reaction force

Front

What does Newton's third law state?

Back

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

Front

What is the unit of force?

Back

Newton (N)

Front

If a laptop is resting on a desk, what force acts from the desk onto the laptop?

Back

Normal force

Front

What happens to net force when two equal forces act in opposite directions?

Back

The net force is zero.

Front

What is the effect of unbalanced forces on an object?

Back

Unbalanced forces cause an object to accelerate in the direction of the net force.

Front

What is an example of a contact force?

Back

Friction is an example of a contact force.