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

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

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Strength of Materials
Which one of the following statements is not correct

the tangent of the angle of friction is equal to coefficient of friction
the angle of repose is equal to angle of friction
the sine of the angle of repose is equal to coefficient to friction
the tangent of the angle of repose is equal to coefficient of friction

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