Energy - QS Study

### Non-conservative Force

Non-conservative Force A force is said to be non-conservative if the work done by the force depends on the path along which the body moves.......

### Conservative Force

Conservative Force A force is said to be conservative if the work done by the force does not depend on the path along which the......

### Efficiency in Energy

Efficiency Energy When we get work from a machine or a body that work is smaller than the energy supplied to that machine or body......

### Unit of Power

Unit of power Power is the rate at which work is done or energy is transferred in a unit of time. It is increased if......

### Energy of Simple Harmonic Motion

Energy of Simple Harmonic Motion Simple harmonic motion is any periodic, repetitive motion where a restoring force is applied that is proportional to the displacement,......

### Application of Principle of Conservation of Mechanical Energy

Application of principle of conservation of mechanical energy In case of collision between two trains energy conversion of similar type takes place [Fig. a]. Before......

### Application of the Principle of Conservation of Energy

Application of the Principle of Conservation of Energy When two palms are rubbed together, they become warm; here mechanical energy is converted into heat energy.......

### Experiment: Determination of Potential Energy of a Spring

Name of the experiment: Determination of potential energy of a spring Theory: Let a weight of mass in be hanged at one end of a......

### Elastic Potential Energy

Elastic potential energy Within elastic limit, if a force is applied on a body it becomes strained and when the force is withdrawn the body......

### Does the Potential Energy of a body become Zero?

Direction: Work is to be done against a body to take it from the standard position or shape to any other position or shape. This......

### Can Potential Energy be Negative?

Direction: Potential energy can be negative. For example, potential energy at any point above earth’s surface is positive. Potential energy inside a mine is negative......

### Gravitational Potential Energy

Gravitational Potential energy To raise a body above the ground against the gravitational force an external source or agent is needed to do work. This......