This chapter will teach us about concepts like work, energy and power. Work, energy and power are essential concepts in physics. Work is the displacement of an object caused by a force (push or pull). Energy is defined as the ability to perform work. We also get to know about the work done formula and energy formula.
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The chapter also includes the following concepts:
- Kinetic Energy: It is the energy that a body possesses as a result of its motion.
- Potential Energy: It is the energy possessed by a body by virtue of its position or configuration in some field.
- Work Energy Theorem: This concept states that the work done by net force in displacing a body is equal to the change in kinetic energy of the body.
- Principle of Conservation of Energy: According to this principle, if we account for all forms of energy, the total energy of an isolated system does not change.
- Collision: It is an isolated event in which two or more colliding bodies exert relatively strong force on each other for a relatively short time.
Now, let’s move onto the important concepts and formulae related to IIT JEE exams along with a few solved examples.
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