Asked by Anonymous

How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)

10 years ago

Answered by Kaka Hanifah

W=F×scos#
=ma×s cos#
=0.5kg×9.8×2×cos30°
=9.8×0.5
=9.8×1/2
=9.8/2
=4.9J

8 years ago

Answered by Unknown

Its sin not cos

4 years ago

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