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What is Work and Energy Concepts Explained about?

SOLVED OBJECTIVE Example 1. A block of mass M is pulled a distance x along a horizontal table. The work done by the weight is (a) 0 (b) Mg x (c) mgl (d) none of these. 2 Solution: (a) P.E  0  work done = P.E.  0 (because of no vertical movement) Example 2. The potential energy of a particle varies with position x according to the relation U(x)  2x 4  27x the point x  3 2 is point of (a) Unstable equilibrium (b) Stable equilibrium (c) neutral equil

Author

Raju Singh

Language

EN