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Systems of Particles and Rotational Motion — Physics STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 SciencePhysicsSystems of Particles and Rotational Motion2 Marks
Question
When a labourer cuts down a tree, he makes a cut on the side facing the direction in which he wants it to fall.Why?
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Answer

The weight of tree exerts a torque about the point where the cut is made. This causes rotation of the tree about the cut.

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