Question

newton metre is the unit of

(A) power
(B) work
(C) momentum
(D) gravitational intencity ​

Answer 1

Answer:

torque

Explanation:

The newton-metre (also newton metre; symbol N⋅m or N m) is a unit of torque (also called moment) in the SI system. 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.

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Answer 2

Newton metre is the unit of (B) work.

What is work?

• Work is defined as dot product of force and displacement.
• Work is said to be done by an object when it is displaced under action of a force.
• Work is a scalar quantity and is a result of scalar product of two vector quantities.
• Work = F · d = F d cos α, where α is the angle between direction of force and direction of displacement.
• So, unit of work is Newton-metre, where Newton is the unit of force and metre is the unit of displacement.