Physics Equations

Question 1

Power (circuit) =

Answer 1

Potential difference x Current

Question 2

Momentum Of A Force =

Answer 2

Force x Distance (Normal to direction of force)

Question 3

Distance =

Answer 3

Speed x Time

Question 4

Resultant Force =

Answer 4

Mass x Acceleration

Question 5

Energy Transferred =

Answer 5

Power x Time

Question 6

Potential Difference =

Answer 6

Current x Resistance

Question 7

Power = (energy)

Answer 7

Energy transferred x Time

Question 8

Power = (forces)

Answer 8

Work done x Time

Question 9

Gravitational Potential Energy

Answer 9

Mass x Gravitational Field Strength x Height

Question 10

Weight =

Answer 10

Mass x Gravitational Field Strength

Question 11

Density =

Answer 11

Mass / Volume

Question 12

Momentum =

Answer 12

Mass x Velocity

Question 13

Charge Flow

Answer 13

Current x Time

Question 14

Force applied to a spring =

Answer 14

Spring Constant x Extension

Question 15

Power = (Electricity)

Answer 15

(Current)^2 x Resistance

Question 16

Energy Transferred = (Electricity)

Answer 16

Charge Flow x Potential Difference

Question 17

Kinetic Energy =

Answer 17

1/2 x Mass x Speed

Question 18

Energy Efficiency =

Answer 18

Useful output energy / Total input energy

Question 19

Power Efficiency =

Answer 19

Useful power output / Total power output

Question 20

Work Done =

Answer 20

Power x Time

Question 21

Wave Speed =

Answer 21

Wave Frequency x Wave Length

Question 22

Acceleration =

Answer 22

Change in velocity / Time

Question 23

Pressure On An Object =

Answer 23

Force normal to the surface / Area of the surface