Find the work done by a man weighing 63.32kg in carrying 25.4 kg of brick up a ladder 6.096m long which makes an angle of 30 degrees with the horizontal.
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Answer:
2650J
Explanation:
The perpendicular height is h≈sin 30 x 6.096
Work done will be mgh≈(63.32+25.4)x9.8x3.048
≈ 2650J
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