what is energy explain . What is force.
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In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object. Energy is a conserved quantity; the law of conservation of energy states that energy can be converted in form, but not created or destroyed
In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity
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Our topic for today is Force, Work and Energy. Force is the push or pull applied on an object. It can move a stationary object or stop a moving object. Force can also change the speed and direction of a moving object.The ability or the capacity to do work is called energy.
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The words energy and force are not interchangeable - they are not the same as each other. A force is a push or a pull which is easily demonstrated and felt but energy is a slightly more abstract concept. ... Chemical energy in the body of the person pushing the trolley was changed into the kinetic energy of that trolley.
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