NEET2012PhysicsWork, Power and EnergyActual
The potential energy of a body is given by U=A-B x^2 (where x is the displacement). The magnitude of force acting on the particle is
Options
- Aconstant
- Bproportional to x
- Cproportional to x^2
- Dinversely proportional to x
Correct answer
B. proportional to x
Step-by-step solution
U=A-B x^2F=- d U d v =2 B xF x