The diagram below shows the arm of a crane when it is lifting a heavy box. a.
Question:
The diagram below shows the arm of a crane when it is lifting a heavy box.
a. By the use of a scale diagram (not calculation) of the forces acting at P, find the weight of the box.
b. Another box of weight 1500 N is raised vertically by 3.0 m.
i. Calculate the work done on the box.
ii. The crane takes 2.5 s to raise this box 3.0 m.
Calculate the power output of the crane.
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a The weight of the box can be found by using a scal...View the full answer
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