Force, Moments, Work And Power

Question 1

A force is measured in

Answer 1

Newtons

Question 2

Examples of forces

Answer 2

Push,pull,weight,friction,electric,magnetic

Question 3

Push

Answer 3

Changes the velocity of an object

Question 4

Pull

Answer 4

Changes the velocity of an object

Question 5

Weight

Answer 5

Moves objects towards the ground

Question 6

Friction

Answer 6

Slows down moving objects

Question 7

Electric

Answer 7

Causes charged particles to move

Question 8

Magnetic

Answer 8

Causes magnetic materials to move

Question 9

Force

Answer 9

A force is anything witch causes an object to change its velocity

Question 10

To measure force we use a

Answer 10

Newton metre also called a spring balance

Question 11

Force always occurs in pairs

Answer 11

For every force there is an equal and opposite force

Question 12

High friction

Answer 12

Sand paper,car tyres and rough soled shoes

Question 13

Low friction

Answer 13

Wet soap,ice and glass

Question 14

Lubricant

Answer 14

Is anything that reduces friction

Question 15

What would happen to our weight if we were on the moon?

Answer 15

As gravity will be less on the moon than on earth,we would weigh less