Units Of Mesurement

Question 1

What unit is energy measured in?

Answer 1

Joules

J

Question 2

How do you convert joules to kilojoules?

Answer 2

Divide by 1000

Question 3

How do you convert joules to megajoules?

Answer 3

Divide by 1000000

Question 4

How do you convert kilojoules to megajoules?

Answer 4

Divide by 1000

Question 5

How do you convert kilojoules to joules?

Answer 5

Multiply by 1000

Question 6

How do you convert megajoules to joules?

Answer 6

Multiply by 1000000

Question 7

What unit is force measured in?

Answer 7

Newtons

N

Question 8

What unit is distance measured in?

Answer 8

Meters

m

Question 9

What is the equation to find the work that has been done?

Answer 9

Work done = force x distance

W = f x d

Question 10

What unit is mass measured in?

Answer 10

Kilograms

kg

Question 11

What unit is velocity measured in?

Answer 11

Meters per second

m/s

Question 12

How do you convert megajoules to kilojoules?

Answer 12

Multiply by 1000

Question 13

What unit is gravity measured in?

Answer 13

Meters per second squared

m/s²

Question 14

What unit is hight measured in?

Answer 14

Metres

m

Question 15

What equation can be used to find the potential energy of an object?

Answer 15

Potential energy = mass x gravity x hight

PE = mgh

Question 16

What is the unit that frequency is measured in?

Answer 16

Hertz

Question 17

What unit is the wavelength of light measured in?

Answer 17

Metres

Question 18

Which unit is work measured in?

Answer 18

Joules J

Question 19

How do you find frequency?

Answer 19

Frequency =
How many waves in the line x how many places to move decimal to a whole (tens hundreds thousands). Change it to one second.

Question 21

What equation can be used to find the kinetic energy of an object?

Answer 21

Kinetic energy = one half mass x velocity (speed) squared

KE = ½mv²