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The Newton’s Cradle is a device that beautifully showcases the conservation of momentum. Before explaining how Newton’s Cradle work, let’s first understand the concept of momentum. What is momentum? Momentum is a characteristic of moving objects that describes how much “oomph” they have when they’re in motion. It’s like how a heavy truck is harder … Read more
We often use the word ‘power’ in our common usage to describe something strong and full of energy. However in physics, power has a very specific meaning. It is described as the amount of energy transferred per unit of time. As you know that unit of energy is joule. Power is defined as: Power = … Read more
Energy is one of most fundamental concepts in science. In fact, all known phenomena involve some form of energy. Energy comes in several different forms such as chemical energy, thermal energy, nuclear energy, radiation energy, magnetic energy etc. However in terms of motion of the two objects, the energy is categorized into two types namely; … Read more