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Given that force (F) is given F=Pt^(-1)+...

Given that force `(F)` is given `F=Pt^(-1)+Qt.` Here `t` is time. The unit of `P` is same as that of :

A

Acceleration

B

Momentum

C

Velocity

D

Displacement.

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • If force (F), length (L) and time (T) be considered fundamental units, then units of mass will be :

    A
    `[FL^(-1)T^(2)]`
    B
    `[F^(2)LT^(-2)]`
    C
    `[FLT^(-2)]`
    D
    `[FL^(-2)T^(-1)]`

  • The time dependance of a physical quantity P is given by P=P_(0)e^(alphat^(2) where alpha is a constant and t is time. Then constant alpha is :

    A
    dimensionless
    B
    has dimension of `T^(-2)`
    C
    has dimension of `P`
    D
    has dimension of `T^(2).`

  • A body of mass m at rest is subjected to a constant force F for time. The kinetic energy at timet is given by :

    A
    `F^2 t^2 //2m`
    B
    `F^2 t^2 //3m`
    C
    `2F^2 t^2 //m`
    D
    `F^2 t^2 //m`

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