Force and Motion

What is an invisible force that affects the needle of a compass?

• Heat

• Friction

• Magnetism

• Force

Heat is a byproduct of __________

• Friction

• Mass

• Lubricant

• Force

One way to affect gravity on an objects is

• Magnetism

• Friction

• heat

• mass

A push or pull is an example of a ___________.

• Mass

• Force

• Lubricant

• Friction

A substance that can reduce friction is a _________.

• Lubricant

• Speed

• Mass

• Friction

What type of force can can cause a change in an objects speed and direction?

• Gravity

• Unbalanced Force

• Balanced Force

• All of the Above

If the force of Gravity on the car is equal (BALANCED) with the force of the person pushing the car, then the car will ...

• The car will move until someone stops it

• The car will change directions

• The car will not move

• The car will roll off the table.

What force acts on objects to pull them to the ground?

• Electricity

• Gravity

• Friction

• Magnetism

What is one difference between balanced and unbalanced forces?

• Balanced forces cause motion

• Balanced forces are stronger

• Unbalanced forces cause motion

• unbalanced forces only occur in one direction

Which statement below is true?

• The greater force on an object the less the object moves

• The greater the size of the object the farther it will move

• The greater the size of the object the less the object moves

• The greater the force on an object the farther it will move