Paper 1- Equations

Question 1

The equation linking-

Force, distance, work done

Answer 1

Work done = force * distance

Question 2

The equation linking-

Mass, kinetic energy, speed

Answer 2

Kinetic energy = 0.5 * mass * (speed) ^2

Question 3

The equation linking-

Height, gravitational field strength, mass, gravitational potential energy

Answer 3

Gravitational potential energy = mass * gravitational field strength * height

Question 4

The equation linking-

Power, energy transferred, time

Answer 4

Power = energy transferred / time

Question 5

The equation linking-

Power, work done, time

Answer 5

Power = workdone / time

Question 6

The equation linking-

Efficiency, useful output energy transfer, total energy transfer

Answer 6

Efficiency= useful output energy transfer / total input energy transfer

Question 7

The equation linking -

Useful power output, efficiency, total power output

Answer 7

Efficiency = useful power output / total power input

Question 8

The equation linking-

Time, charge flow, current

Answer 8

Charge flow= current * time

Question 9

The equation linking-

Current, resistance, potential difference

Answer 9

Potential difference = current * resistance

Question 10

The equation linking -

Potential difference, power, current

Answer 10

Power = potential difference * current

Question 11

The equation linking- resistance, current, power

Answer 11

Power = (current)^2 * resistance

Question 12

The equation linking-

Energy transferred, charge flow, potential difference

Answer 12

Energy transferred = charge flow * potential difference

Question 13

The equation linking-

Density, mass, volume

Answer 13

Density = mass / volume