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 ...
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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 ...
Energy is the capacity to do work or produce change. It exists in various forms including kinetic energy thermal energy potential energy and chemical energy. Energy can be transformed from one form to another but cannot be created or destroyed ...
Gravity is the force of attraction between two masses. It governs the motion of celestial bodies and keeps planets in orbit around stars. On Earth, gravity gives weight to objects and causes them to fall towards the ground when dropped. ...
A turbine is a mechanical device that converts fluid energy into mechanical energy. It operates by utilizing the flow of liquids or gases to rotate blades, generating rotational motion. Turbines are widely used in power generation, such as hydroelectric plants ...