Question

define torque acting on a particle​

Answer 1

Torque is the measure of the force that can cause an object to rotate about an axis. Force is what causes an object to accelerate in linear kinematics. ... Hence, torque can be defined as the rotational equivalent of linear force. The point where the object rotates is called the axis of rotation.

Answer 2

Hi friend_______,

★ The rotating or turning effect of a force about a fixed point or fixed axis is called moment of the force about the point or Torque (τ).

★ It is measured by the product of the force and the perpendicular distance is between the fixed point or the fixed axis and the line of action of the force.

$\: \boxed{ \boxed { \rmτ=F×d}}$

★ It SI unit is Nm.

Example:

♦ Opening the door:

A person pushing a closed-door is applying a static door because the door isn't rotating despite the force applied. Pedalling a cycle at a constant speed is also an example of static torque as there is no acceleration.

Thank you..