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Physics > Force, Moments, Work And Power > Flashcards

Flashcards in Force, Moments, Work And Power Deck (15)
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1
Q

A force is measured in

A

Newtons

2
Q

Examples of forces

A

Push,pull,weight,friction,electric,magnetic

3
Q

Push

A

Changes the velocity of an object

4
Q

Pull

A

Changes the velocity of an object

5
Q

Weight

A

Moves objects towards the ground

6
Q

Friction

A

Slows down moving objects

7
Q

Electric

A

Causes charged particles to move

8
Q

Magnetic

A

Causes magnetic materials to move

9
Q

Force

A

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

10
Q

To measure force we use a

A

Newton metre also called a spring balance

11
Q

Force always occurs in pairs

A

For every force there is an equal and opposite force

12
Q

High friction

A

Sand paper,car tyres and rough soled shoes

13
Q

Low friction

A

Wet soap,ice and glass

14
Q

Lubricant

A

Is anything that reduces friction

15
Q

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

A

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