Forces Quiz

When an unbalanced force acts on an object, the force

• Changes the motion of the object

• Is canceled by another force

• Does not change the motion of the object

• Is equal to the weight of the object

Air resistance is a type of

• Rolling friction

• Sliding friction

• Centripetal force

• Fluid friction

Which of the following is not a projectile?

• A satellite

• A thrown ball

• A ball on the ground

• A soaring arrow

The resistance of an object to any change in its motion is called

• Inertia

• Friction

• Gravity

• Weight

The product of an object's mass and its velocity is called the object's

• Net force

• Weight

• Momentum

• Gravitation

Balanced forces are equal forces acting on an object in opposite directions.

• True

• False

Rolling friction occurs when two solid surfaces slide over each other.

• True

• False

The law of universal gravitation states that the total momentum of objects that interact does not change.

• True

• False

The greatest velocity a falling object reaches is called its momentum.

• True

• False

The type of force that causes a satellite to orbit Earth is a centripetal force.

• True

• False