WORK, ENERGY AND POWER I L-11 I PHYSICS I CLASS 11 I JEE/NEET/CBSE/State Board

In Class 11 Physics, the concepts of work, energy, and power are fundamental. Here's a brief overview:
Work (W): Work is performed when a force causes an object to move. It can be calculated using the formula:
[
W = F \cdot d \cdot \cos(\theta)
]
where (F) is the force applied, (d) is the displacement, and (\theta) is the angle between the force and the direction of displacement.
Energy (E): Energy is the ability to do work, existing in different forms:

Kinetic Energy (KE): The energy of an object in motion, calculated as:
[
KE = \frac{1}{2}mv^2
]
where (m) is mass and (v) is velocity.
Potential Energy (PE): The stored energy due to an object's position, calculated as:
[
PE = mgh
]
where (m) is mass, (g) is acceleration due to gravity, and (h) is height.
Power (P): Power is the rate at which work is done or energy is transferred, calculated with:
[
P = \frac{W}{t}
]
where (W) is work done and (t) is the time taken.
These concepts are interconnected and are essential for understanding the mechanics and energy transformations in physical systems.
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