Key Equations (from GCSE)

All key equations (symbol) (7)

1. W = mg

2. E_p = mgh

3. W = Fd

4. ρ = m/V

5. E_k = ½ mv²

6. v = s/t

7. a = ∆v/t

Weight equation (word)

Weight = mass x gravitational field strength

Weight equation (symbol)

W = mg

Gravitational potential energy equation (word)

Gravitational potential energy = mass x gravitational field strength x height

Gravitational potential energy equation (symbol)

E_{p =} mgh

Work done equation (word)

Work done = force x distance

Work done equation (symbol)

W = Fd

Density equation (word)

Density = mass / volume

Density equation (symbol)

ρ = m/V

Kinetic energy equation (word)

Kinetic energy = ½ mass x (speed)²

Kinetic energy equation (symbol)

E_k = ½ mv²

Speed equation (word)

Speed = distance / time

Speed equation (symbol)

v = s/t

Acceleration equation (word)

Acceleration = change in velocity / time taken

Acceleration equation (symbol)

a = ∆v/t