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Write the dimension of force and energy |
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Answer» Every MEASUREMENT has TWO parts. The first is a number (n) and the next is a unit (u). Q = nu. For Example,the LENGTH of an OBJECT = 40 CM. The number expressing the magnitude of a physical quantity is inversely proportional to the unit selected. If n1 and n2 are the numerical values of a physical quantity corresponding to the units u1 and u2, then n1u1 = n2u2. For Example,2.8 m = 280 cm;Explanation: |
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