Mention the expression for work done by a force in vector form.

Write the expression for work done by a force in a rotational motion of a body.

Give the expression for work done by a variable force.

Write the expression for work done by the force acting on an electric dipole to deflect it through a certain angle with respect to the uniform electric field.

Write an expression for the work done when a force is acting on an object in the direction of its displacement.

Express torque in vector form .

Mention the effects of force.

Give the expressions for work done by the spring and external pulling force.

Give an expression for electrostatic force in position vector form

Give the expression for work done per unit volume in stretching a wire.