Physics formulae

Question 1

Average speed =

Answer 1

Distance moved
—————————
Time Taken

Question 2

Acceleration =

Answer 2

Change in velocity
——————————
Time Taken

Question 3

(Final speed)2 =

Squared

Answer 3

(Initial speed)2 + (2 x acceleration x distance moved)

Question 4

Force =

Answer 4

Mass x acceleration

Question 5

Weight =

Answer 5

Mass x gravitational field strength

Question 6

Efficiency =

Answer 6

Useful energy output
——————————— x 100%
Total energy output

Question 7

Work done =

Answer 7

Force x distance moved

Question 8

Gravitational Potential Energy =

Answer 8

Mass x gravitational field strength x Height

Question 9

Kinetic Energy =

Answer 9

1/2 x mass x speed2

Squared

Question 10

Power =

Answer 10

Work done
——————
Time taken

Question 11

Velocity =

Answer 11

Distance x time