CBSE Class 11-science Answered
QUETION IS ATTACHED
Asked by mahesh_udr2000 | 30 Aug, 2017, 03:08: PM
Expert Answer
1) The weight of the block is F = 2 kN. The length of the plane is 10 m and the angle of incline is 15°.
2) So, we find the vertical length (displacement) covered by the block = 10 sin15
3) Therefore, the work done is W = Fh = 2 × 10 × sin15 kJ = 5.17 kJ
Answered by Romal Bhansali | 06 Sep, 2017, 04:07: PM
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