AQA GCSE Physics Energy (2026/2027) | Verified Questions & Answers | Revision Pack | A+ Verified

AQA GCSE Physics Energy (2026/2027) |
Verified Questions & Answers | Revision
Pack | A+ Verified
• What is the equation linking kinetic energy, mass, and speed? (Ek, m,
v) -✓✓Ek = 1/2 x m x v²


• What is the unit for energy? -✓✓joules (J)


• What is the unit for mass? -✓✓kilograms (kg)


• What is the unit for speed? -✓✓metres per second (m/s)


• What is the equation linking force, distance and work done? (F, s, W)
-✓✓W = Fs


• State the principle of conservation of energy -✓✓Energy cannot be
created or destroyed but only transferred from one store to another.


• What is the equation linking gravitational field strength, gravitational
potential energy, height and mass? (g, Ep, h, m) -✓✓Ep = m x g x h


• What is the equation linking elastic potential energy, extension and
spring constant? (Ee, e, k) -✓✓Ee = 1/2 x k x e²

, • What is the unit for gravitational field strength? -✓✓newtons per
kilogram (N/kg)


• What is the equation linking energy transferred, power and time? -
✓✓P=E/t or E = P x t


• What is the unit for power? -✓✓Watts (W)


• Unit for specific heat capacity -✓✓J/kg°C


• Unit for spring constant -✓✓N/m


• What is the definition of power? -✓✓Power is the rate of transfer of
energy OR the rate of doing work


• What is the equation linking power, time and work done? -✓✓P=W/t


• What is the unit for work done? -✓✓joules (J)


• What is the equation for calculating efficiency from energy? -
✓✓Efficiency = useful energy output/total energy input