Work And Energy Class 9 Notes Quiz

The formula for work done on an object is given by $W = F \cdot s$, where $W$ is the work done, $F$ is the magnitude of the force acting on the body, and $s$ is the displacement in the direction of the force.

The SI unit of force is the Newton (N).

Energy is defined as the ability to do work.

<p>The different forms of energy mentioned in the text are light, heat, chemical, electrical, and mechanical.</p> Signup and view all the answers

<p>The formula for kinetic energy is given by $KE = \frac{1}{2}mv^2$, where $KE$ is the kinetic energy, $m$ is the mass of the object, and $v$ is the velocity of the object.</p> Signup and view all the answers