A body of mas to kilogram is moving in a circular path of radius 2 metre. How much work is done on the body?
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Answer:
0 Joules
Explanation:
Given:-
Radius of Circular Path ,r = 2 metre.
Mass of Body ,m = 1 kg
To Find:-
Work Done ,W
Solution:-
Here, we have to calculate the Work done by the body .
As we know that the angle between the speed and displacemet is 90°
• Work Done = Fs Cos∅
→ W = FsCos∅
Where,
W denote Work Done
F denote Force
S denote Displacemet
∅ denote angle between Speed & Displacemet.
Substitute the value we get
→ W = Fs × 0
As Cos90° = 0
→ W = 0
Hence, the work done by the body is 0 Joules.
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