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gagan23

A collision is an event where two or more bodies exert forces on each other for a relatively short time. Collisions can be elastic or inelastic, depending on whether kinetic energy is conserved. They play a crucial role in physics, ...

gagan23

Velocity is a vector quantity that measures the rate of change of an object’s position with respect to time. It includes both speed and direction. Unlike speed, which is scalar, velocity provides information about the object’s direction of motion. It ...

gagan23

A pulley is a simple machine consisting of a wheel with a rope or chain that passes over it. It changes the direction of force applied to lift heavy objects. Pulleys can be used individually or in systems to reduce ...