PYQ NEET- Forces On Bodies Procedure To Solve Problems
2019:
The answer is (B).
When the force is F, the speed of the block is v. If the force is further increased to 2F, the speed of the block will be √2v.
2018:
The answer is (D).
The work done by the centripetal force is zero because the centripetal force is perpendicular to the displacement of the particle.