The concept of internal energy is derived from the first law of thermodynamics. This law, also known as the law of energy conservation, defines internal energy as the total energy contained within a system.
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If the horse starts moving suddenly, the reason for the possibility of the rider falling is due to inertia. When the horse accelerates, the rider tends to remain at rest due to inertia, causing them to lean backward or fall ...
The working system of a rocket is based on the principle of conservation of momentum. This principle states that the total momentum of a system remains constant if no external forces act upon it, which enables rockets to propel forward ...
When a moving bus suddenly applies brakes, the passengers sitting in it fall forward. This can be explained by Newton’s first law. This law states that an object in motion tends to stay in motion unless acted upon by an ...
The horse pulling a cart moves forward due to the force applied by the horse on the cart. This force, exerted by the horse’s muscles, propels the cart forward as a reaction to the force exerted by the horse.