ATS KS4 GCSE Physics Equations For Paper 1

What is the equation for density?

• density=mass/area
• density=area/mass
• density=mass/volume
• density=perimeter/area

The equation for voltage is V=IR, but what are the units for each variable?

• V= Amps, I= Ohms and R= Volts
• V= Volts, I= Amps and R= Ohms
• V= Ohms, I= Amps and R=Volts
• V= Ohms, I= Volts and R=Amps

What is the equation for current given the charge flow and time period?

• Current=charge flow/time
• Current=time/charge flow
• Current=Charge flow x time
• Current=Charge flow x time^2

What is the equation for gravitational potential energy?

• GPE = weight x gravity x height
• GPE = mass x gravity x height
• GPE = mass x gravity
• GPE = gravity x height

What is the equation for power given resistance?

• Power = potential difference x resistance
• Power = current x resistance
• Power = current x resistance^2
• Power = current^2 x resistance

What is the equation for energy transfer given power and time?

• energy transferred = power x time
• energy transferred = power/time
• energy transferred = time/power
• energy transferred = power x time^2

What is the equation for power given work done?

• Power = time/work done
• Power = work done
• Power = 1/work done
• Power= work done/time

The equation for energy transferred is E=QV, but what are the units for each variable?

• E= Joules, Q= Volts and V= Coulombs
• E= Coulombs, Q= Joules and V=Volts
• E= Volts, Q=Coulombs and V= Joules
• E= Joules, Q= Coulombs and V= Volts

What is the equation for kinetic energy?

• Ek = 0.5 x m x v^2
• Ek = 0.5^2 x m x v
• Ek= 2 x m x v^2
• Ek = 0.5 x m x v

Rearranging the kinetic energy equation, what is the equation for mass?

• m=v^2/2Ek
• m=2Ek/v^2
• m=Ek/2v^2
• m=2Ek x v^2