Forces

Which of the following is not a force?

• Gravity

• Speed

• Push

• Pull

What force holds the planets in motion around the sun?

• Magnetic

• Gravitational

• Electrical

• Air Resistance

What does the strength of gravity between two objects depend upon?

• Mass & weight

• Inertia & mass

• Gravity & inertia

• Mass & distance

All objects in the universe have a gravitational attraction to each other.

• TRUE

• FALSE

What force brings the pencil down?

• Applied

• Normal

• Magnetic

• Gravitational

What force ultimately slows the roller coaster to a stop?

• Applied

• Normal

• Magnetic

• Friction

An _______ force must act on an object for it to CHANGE it's motion.

• balanced

• unbalanced

• gravitational

• electrical

What is defined as a push or pull?

• force

• motion

• speed

• vector

This type of force resist motion between two surfaces that are pressed together.

• contact

• gravity

• friction

If the net force is equal to zero, the forces acting on the object are...

• balanced

• unbalanced