GK
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Ns
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Nmm
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Nm
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Ncm
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Detailed explanation-1: -Torque is usually measured in Newton metres (Nm) or you might see the imperial measurement of lb-ft (pounds-feet), although this unit of measurement is pretty outdated by now. If you want to calculate the conversion for yourself, 1 Nm is equivalent to 0.738 lb/ft.
Detailed explanation-2: -The newton-metre (also newton metre or newton meter; symbol N⋅m or N m) is the unit of torque (also called moment) in the International System of Units (SI). One newton-metre is equal to the torque resulting from a force of one newton applied perpendicularly to the end of a moment arm that is one metre long.
Detailed explanation-3: -While distance is measured in metres and force is measured in newton, so torque is measured in newton ⋅ metres. However, students should remember one main point, which is energy and torque are not the same concepts. Therefore, we use different unit names which is newton metres for torque and joules for energy.