Question

Pedro is building a model motor. He would like the motor to be more powerful. Which of the following would best help him increase the power of the motor?

A. increasing the amount of friction in the motor
B. increasing the speed at which the motor does work
C. decreasing the speed at which the motor does work
D. reducing the amount of force that the motor produces

Answer 1

The answer is B because that that will make it more powerful but less lasting.