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#### Identify the pair whose dimensions are equal. Option 1) torque and work Option 2) stress and energy Option 3) force and stress Option 4) force and work.

Torque and work have the same dimensions .

Using as we learnt in:

Work, Potential Energy, Kinetic Energy, Torque -

- wherein

Option 1)

torque and work

torque and work

Torque

Work

( Hence both are product of and and hence both has same dimension).

Option 2)

stress and energy

stress and energy

Stress = and energy is product of force and displacement.

Hence Energy and stress have different dimension.

Option 3)

force and stress

force and stress

Stress =

Hence dimension of stress is different from force.

Option 4)

force and work.

force and work.

Work - Force displacement

Hence dimension of force and work are different .

## JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Force and accelercition

Velocity and energy

Monentum and impulse

Work and power

Right option