(a(i))[2]
As the motor begins to turn, it usefully converts ......................... energy to ......................... energy.
(a(ii))[1]
Each block gains ......................... energy.
(b(i))[1]
Compare the energy gain of block A with the energy gain of block B.
(b(ii))[2]
Explain why the energy input to the motor is greater than the energy gained by block A.
(b(iii))[2]
State the three measurements the engineer must take to determine the power output of the motor.
(c)[3]
Calculate the density of block A, then complete: density = ......................... kg/m$^3$