Question #104159
work done in rotating a handle 1 meter long to 360 degree when a force through of 10 newton is applied at the end off the handle and always perpandicular to it.
1
Expert's answer
2020-03-02T10:09:09-0500

Torque=r×F=1×10×sin90°=10Nm=\vec r\times\vec F=1\times 10\times sin90\degree=10 Nm

Work done=τ×δθ=10×2π=20×3.14=62.8J=\tau\times \delta\theta=10\times 2\pi=20\times 3.14=62.8 J


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