Formulas and Conversions

Question 1

Distance travelled =

Answer 1

Average speed X time

Question 2

Acceleration =

Answer 2

Time

Question 3

Force =

Answer 3

Mass X acceleration

Question 4

Weight =

Answer 4

Mass X gravitational Field strength

Question 5

Momentum(Higher Only) =

Answer 5

Mass X velocity

Question 6

Change in gravitational field strength =

Answer 6

Mass X gravitational field strength X change in vertical height

Question 7

Kinetic energy =

Answer 7

0.5 X Mass X velocity2

Question 8

Efficiency =

Answer 8

Total Energy

Question 9

Wave speed =

Answer 9

Frequency X wavelength

Question 10

Wave speed (2) =

Answer 10

Time

Question 11

Work done =

Answer 11

Force X Distance moved in the direction of the force

Question 12

Power =

Answer 12

Time Taken

Question 13

Energy Transferred =

Answer 13

Charged moved X Potential Difference

Question 14

Charge =

Answer 14

Current X Time

Question 15

Potential Difference =

Answer 15

Current X Resistance

Question 16

Power (2) =

Answer 16

       Time

Question 17

Electrical Power =

Answer 17

Current X Potential Difference

Question 18

Electrical Power (2) =

Answer 18

(Current)2 X Resistance

Question 19

Density =

Answer 19

Volume

Question 20

Force Exerted On A Spring =

Answer 20

Spring Constant X Extension

Question 21

What is The unit for Frequency ?

Answer 21

Hertz, Hz

Question 22

What is The unit for Force ?

Answer 22

Newton, N

Question 23

What is The unit for Energy ?

Answer 23

Joule, J

Question 24

What is The unit for Power ?

Answer 24

Watt, W

Question 25

What is The unit for Pressure ?

Answer 25

Pascal, Pa

Question 26

What is The unit for Electrical Charge ?

Answer 26

Coulomb, C

Question 27

What is The unit for Electrical Potential Difference ?

Answer 27

Volt, V

Question 28

What is The unit for Electric Resistance ?

Answer 28

Ohm, Ω

Question 29

What is The unit for Magnetic Flux Density ?

Answer 29

Tesla, T