A particle is moving along a straight line and variable for…

Physics Units, Dimensions and Measurement Dimensions Comprehension (MCQ)

A particle is moving along a straight line and variable force F is acting on this F at any time t is given by :

F = A + +

Where A, B, C and D are constant.

(i) The dimensional formula of C is –

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Ans.

(i)

Sol. = [T 2 ], = [F]

⇒ C = [MLT –1 ]

(ii)

Sol. = [F] ⇒ = [MLT –1 ]

(iii)

Sol. = =

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