karan can open a 2.5m wide door by applying a minimum force of 3N. Find the moment of force needed to open the door.
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nikhilkumarpandey
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Yes, the rod will start to rotate; and if the force continues to act in the same direction and the wheel rotates for long enough, then the torque will change. However, we can take the limit where a very large force acts for a very short time, in such a way that their product is constant.
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