Question 1

What is friction?

Accepted Answer

A force that acts on surfaces of objects when they come into contact and can resist movement

Question 2

When several forces are acting on an object that is at rest, and the object does not move, then the forces are ____.

Accepted Answer

balanced

Question 3

When two bar magnets have the same poles facing each other, they will ____.

Accepted Answer

repel

Question 4

Objects that are changing position are said to be in ____.

Accepted Answer

motion

Question 5

Which of the following is a kind of force that works over a distance without touching?

Accepted Answer

Magnetism

Question 6

What is a force?

Accepted Answer

A push or a pull

Question 7

What is magnetism?

Accepted Answer

The invisible force that attracts or pulls on some metal objects

Question 8

When two magnets come in contact, what do opposite poles do?

Accepted Answer

Attract each other

Question 9

What do objects that are attracted to a magnet have in common?

Accepted Answer

They all have some type of metal in them that is attracted to magnets

Question 10

Which of the following happens when unbalanced forces are acting on an object?

Accepted Answer

The object's motion changes.

Question 11

If a box is being pushed to the right and pulled to the left, and the push force is stronger, what will happen to the box?

Accepted Answer

It will move to the right.

Question 12

If a box is being pushed to the right and pulled to the left, and the pull force is stronger, what will happen to the box?

Accepted Answer

It will move to the left.

Question 13

If a box is being pushed to the right and pulled to the left with equal force, what will happen to the box?

Accepted Answer

It will remain unchanged and at rest.

Question 14

In the picture, two magnets have opposite poles facing each other. What will happen?

Accepted Answer

They will attract each other.

Question 15

Friction ____ motion.

Accepted Answer

opposes

Investigating Forces Review

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