Force

Question 1

Pressure is

Answer 1

How much force is put on an area

Question 2

Force is

Answer 2

Is something that causes an object to move

Question 3

Pressure is measured in

Answer 3

N/cm*2

Question 4

Force is measured in

Answer 4

Neutons

Question 5

Area is measured in

Answer 5

Centimetres

Question 6

Atmospheric pressure is

Answer 6

Pressure due to weight of air pressing down on the earth. The higher u go above sea level, the less atmospheric pressure there is

Question 7

What can you measure atmospheric pressure with?

Answer 7

A barometer

Question 8

What measures the height above sea level?

Answer 8

Altimeter

Question 9

High pressure (weather)

Answer 9

Fine weather
No clouds
Summers are nice
Winters have bright days

Question 10

Low pressure (weather)

Answer 10

Windy
Cloudy
Unsettled - lots of rain

Question 11

Velocity

Answer 11

Speed in a particular direction

Question 12

Friction

Answer 12

Is a force which prevents easy movement between 2 objects in contact

Question 13

Disadvantages of friction

Answer 13

• slows things down
• wastes energy
• a lot of unwanted heat and sound is produced

Question 14

Advantages of friction

Answer 14

Used to stop/slow things down

Allows us to walk and not slip

Question 15

How to reduce friction

Answer 15

Lubricate with oil or gas

Question 16

Hooks law

Answer 16

The extension of the Spring is directly proportional to the force that is stretching it

Question 17

Weight

Answer 17

Is a force due to gravity.

• mass (kg) x 10
• grass to kg = divided by 1000