0625/23/M/J/17
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The diagram shows a man holding a sack and barrow stationary. He applies a v...
Physics, 23.12.2020 17:10 leahjade0307
0625/23/M/J/17
7
The diagram shows a man holding a sack and barrow stationary. He applies a vertical force to
the handle.
The centre of mass and the weight of the sack and barrow are shown. The wheel acts as a pivot.
force
exerted
by man
centre of mass
of sack and barrow
20 cm
80 cm
15 cm 45 cm
weight of
sack and barrow
200N
What is the magnitude of the vertical force exerted by the man?
Answers: 3
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