Asked by physics
A construction hoist does 2.74x10⁴J of work in lifting a load of bricks from the street to the roof of a building. The roof is 9.46m above the street. Calculate the mass of a load of bricks. The load is moving at a constant rate
Answers
Answered by
Damon
m * 9.81 * 9.46 = work done
Answered by
bobpursley
Mass or Weight?
work=weight*height
weight=2.74e4/9.46 Newtons.
work=weight*height
weight=2.74e4/9.46 Newtons.
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