force motion quiz2

when 2 equal forces act in opposite directions the result is that forms are equal and there is no change.

• friction

• balanced forces

• unbalanced forces

• force

when one force is stronger than the other, the result is motion

• balanced forces

• friction

• unbalanced forces

• inertia

The force that slows down objects when they rub against each other

• force

• friction

• inertia

What is the net force?

• 20 N 
• 0 N 
• 400 N 
• 40 N 

What is the net force?

• 3 N

• 3 N, right

• 17 N, right

• 3 N, left

Which of the following is NOT TRUE about friction:

• Friction is a force that acts in the opposite direction of motion.

• Friction slows objects down.

• There is no friction on earth.

• Friction on carpet is greater than friction on a bare floor.

A measure of how much matter

is present in a substance

• Mass

• Weight

• Gravity

• Force

The gravitational force exerted by an object depends on its

• volume

• mass

• weight

Which is needed to determine the amount of gravitational force between two objects?

• distance and mass

• weight and time

• area and weight

as the mass of an object increases, the pull of gravitational force...

• Increases

• Decreases

• Stays the same