Forces; in depth

Question 1

When does friction occur?

Answer 1

Friction occurs when two surfaces touch each other.

Question 2

What can friction do?

Answer 2

Friction can give us grip

Friction produces heat

Question 3

What does gravity do?

Answer 3

Gravity pulls objects toward the center of the earth.

Question 4

What does magnetism do?

Answer 4

Magnets exert a force on other magnetic material.

Question 5

A magnet has a North Pole and a South Pole . A north and a South ___________ each other.

Answer 5

Attract

Question 6

Two north poles or two south poles ___________ each other.

Answer 6

Repel

Question 7

What us air resistance?

Answer 7

Air resistance is a force which acts against moving objects.

Question 8

If you want an object to move faster through the air it needs to be ____________.

Answer 8

Streamlined

Question 9

To move slower through the air you need a _____________________.

Answer 9

Large surface area, e.g. A parachute

Question 10

What is another word fir air resistance?

Answer 10

Drag