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Calculate the Resultant Moment of Forces About O and State Its Direction in Fig. 3. - Physics

Numerical

Calculate the resultant moment of forces about O and state its direction in fig. 

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Solution

In the given figure, forces 10 N and 100 N act clockwise and the forces 15 N and 4 N act anticlockwise   

MOment of force = sum of clockwise moments - sum of anti clockwise moments

Moments of force = (10 x 5 + 100 x 0 + 4 x 6) - ( 15 x 4) = 74 - 60 = 14 Nm

or 14 Nm in clockwise direction.

Concept: Moment (Turning Effect) of a Force Or Torque
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APPEARS IN

Frank ICSE Class 10 Physics Part 2
Chapter 1 Force, Work, Energy and Power
Exercise | Q 9 | Page 57
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