Forces

Question 1

What is a force?

Answer 1

Energy or mass

Question 2

What are the three main forces?

Answer 2

Push, pull, twist

Question 3

What does force cause?

Answer 3

Acceleration

Question 4

What is the force acting down?

Answer 4

Weight

Question 5

What is the force acting up?

Answer 5

Reaction

Question 6

What are the units of force?

Answer 6

Netwons (N)

Question 7

Is a force a vector or scalar?

Answer 7

Vector

Question 8

The total force acting on a body is called the…

Answer 8

Resultant Force

Question 9

How do you find the resultant force?

Answer 9

By calculating the difference between opposing forces

Question 10

Opposite sides with the same amount of force will….

Answer 10

Cancel each other out

Question 11

What will always act in the opposite direction to the force causing it?

Answer 11

Friction

Question 12

What is reaction force?

Answer 12

The force that acts upwards on a body resting on a surface

Question 13

Whenever you get friction between two objects you will always get…

Answer 13

Heat and wear

Question 14

When a body is in a liquid or gas the upwards force may be …… or a more specific term such as ……………

Answer 14

Upthrust

Air resistance

Question 15

What is the equation for force?

Answer 15

Force = mass x acceleration

Question 16

Name some types of forces

Answer 16

Applied Force.
Gravitational Force.
Normal Force.
Frictional Force.
Air Resistance Force.
Tension Force.
Spring Force