Equations

Question 1

What is the equation for acceleration?

Answer 1

Final velocity (m/s) — Initial velocity (m/s)
Acceleration= —————————————————————
Time ( seconds )

Question 2

What is the equation for force?

Answer 2

Force= Mass X acceleration

Question 3

What is the equation for weight?

Answer 3

Weight= Mass X Gravitational field strength

Question 4

What is the equation for gravitational potential energy?

Answer 4

GPE= m X g X h

Question 5

What is the equation for kinetic energy?

Answer 5

2
KE=1/2 X m X V

Question 6

What is the equation for Momentum?

Answer 6

Momentum=Mass X Velocity

Question 7

What is the equation for velocity?

Answer 7

Distance(metres)
Velocity= —————————
Time (seconds)

Question 8

What is the equation for wave velocity?

Answer 8

Velocity= Frequency (hz) X wavelength (metres)

Question 9

What is the equation for efficiency?

Answer 9

Useful energy out
Efficiency =———————————
Total energy in