Work and energy Questions
Physics 101 - Engineering Mechanics Past Papers

Practice 13 past-paper questions for Work and energy in Physics 101 - Engineering Mechanics. Get solutions and exam preparation resources.

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1. The force a spring exerts on a body is a conservative force because

2. To double the total energy of a mass oscillating at the end of a spring with amplitude A, we need to

3. A block of mass m = 3.57 kg is drawn at a constant speed a distance d = 4.06 m along a horizontal floor by rope exerting…

4. A force acting on a particle varies with x as shown in Figure A-1. Calculate the work done by the force on the particle…

5. The work-energy theorem states that the change in:

6. According to the work-energy theorem, work done by the resultant forces is equal to

7. A heavy weight is suspended from a spring, the energy stored in the spring is 20 J. If the weight is raised till the spr…

8. A 5.0-kg object is pulled at a constant speed along a horizontal surface by a force of 15 N acting 20° above the horizon…

9. A bullet of mass 12 gm strikes a ballistic pendulum of mass 2 Kg. The centre of mass of pendulum rises a vertical distan…

10. The potential energy of a stretched spring is given by the relation $U(x) = 40x^2$. The elastic force exerted by the spr…

11. Which one of the following is not a conservative force?

12. Work done by non-conservative force is equal to

13. With a well labeled diagram, show that work done by conservative force is path independent and work done by non-conserva…

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