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A block of mass 800 grams slides down an inclined plane of inclination 37 degrees with the uniform speed. Find the work done against the friction if the block slides through 1 meter.

A block of mass 800 grams slides down an inclined plane of inclination 37 degrees with the uniform speed. Find the work done against the friction if the block slides through 1 meter.

Grade:11

1 Answers

Arun
25750 Points
6 years ago
Component of acceleration = g sin37 = 3g/5 = 6 m/s2
Force = ma
= 0.8 x 6 
= 4.8 N

work done= 4.8 x 1= 4.8 J

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