Strength of Materials
Which of the following do not have identical dimensions?

Momentum and impulse
Torque and energy
Moment of a force and angular momentum
Torque and work

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Strength of Materials
In the equation of virtual work, following force is neglected

reaction of any smooth surface with which the body is in contact
reaction at a point or an axis, fixed in space, around which a body is con-strained to turn
reaction of a rough surface of a body which rolls on it without slipping
All of the listed here

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