Power – Practice


1) A lounge with a mass of 120kg is carried up stairs that are 2m high in 15s. Calculate the required power needed to complete this task:

2) A 80kg cyclist accelerates from rest to a velocity of 6m/s in 10s. Calculate the power required to achieve this velocity:

Quick Answers:

1) 156.8 J/s or W

2) 144 J/s or W

Worked Answers: