Physics

Question 1

Force Applied to a Spring Equation?

Answer 1

F = K x E (Spring Constant x Extension).

Question 2

Potential Difference Equation?

Answer 2

V = I x R (Current x Resistance)

Question 3

Density Equation?

Answer 3

P = M / V (Mass / Volume)

Question 4

Acceleration Equation?

Answer 4

A = ΔV ÷ T (Change in Velocity / Time Taken)

Question 5

Kinetic Energy Equation?

Answer 5

EK = ½M x V² [0.5 x Mass x (Speed)²]

Question 6

Efficiency (Energy) Equation?

Answer 6

Efficiency = Useful Output Power ÷ Total Input Energy Power (x100)

Question 7

Resultant Force On An Accelerating Mass Equation?

Answer 7

F = M x A (Mass x Acceleration)

Question 8

Energy Transferred (Power) Equation?

Answer 8

E = P x T (Power x Time)

Question 9

Power (Energy) Equation?

Answer 9

P = E ÷ T (Energy Transferred ÷ Time)

Question 10

Weight Equation?

Answer 10

W = M x G (Mass x Gravitational Field Strength)

Question 11

Distance Travelled Equation?

Answer 11

S = V x T (Speed x Time)

Question 12

Work Done By A Force Equation?

Answer 12

W = F x S (Force x Distance Along The Line Of Action Of The Force)

Question 13

Power (Current and Potential Difference) Equation?

Answer 13

P = V x I (Potential Difference x Current)

Question 14

Gravitational Potential Energy Equation?

Answer 14

EP = M x G x H (Mass x Gravitational Field Strength x Height)

Question 15

Wave Speed Equation?

Answer 15

V = F x λ (Frequency x Wavelength)

Question 16

Power (Resistance And Current) Equation?

Answer 16

P = I² x R [(Current)² x Resistance]

Question 17

Power (Work Done) Equation?

Answer 17

P = W ÷ T (Work Done ÷ Time)

Question 18

Charge Flow Equation?

Answer 18

Q = I x T (Current x Time)

Question 19

Energy Transferred (Charge Flow) Equation?

Answer 19

E = Q x V (Charge Flow x Potential Difference)