Question

A student wishes to work out how much power she uses to lift her body when climbing a
flight of stairs
Her body mass is 60kg and the vertical height of the stairs is 3.0m. She takes 12s to walk
up the stairs.
(a) Calculate
the work done in raising her body mass as she climbs the stairs,
work =
​

Answer 1

Answer:

1800 JOULES

Explanation:

WORKDONE= FORCE X DISTANCE MOVED IN DIRECTION OF FORCE

FORCE=60 X 10=600N

DISTANCE=3.0 m

WORK DONE = 600 X 3.0

WORK DONE = 1800 JOULES