Question

b. non - contact
3. Find out the suitable pair
a. frictional, normal
C. magnetic, frictional​

Answer 1

Answer:

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.

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