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STATEMENT-1: Work done by the net force ...

STATEMENT-1: Work done by the net force acting on a particle is equal to the change in its kinetic energy.
STATEMENT-2: Change in potential energy is always equal to the work done by external forces.
STATEMENT-3: Work energy theorem is not applicable, if the work is done by the non-conservative forces

A

T T F

B

T F T

C

T F F

D

F T T

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The total work done on a particle is equal to the change in its kinetic energy

    A
    always
    B
    only if the forces acting on ilt are conservative
    C
    only if gravitational force alone acts on it
    D
    only if elastic force alone acts on it

  • The total work done on a particle is equal to the change in its mechanical energy

    A
    if the forces acting on are conservative
    B
    if gravitational force alone acts on it
    C
    if elastic alone acts on it.
    D
    none of these

  • Work done by the conservative force on a system is equal to :

    A
    the change in kinetic energy of system
    B
    the change in potential energy of system
    C
    the change in total machanical energy of system
    D
    None of the above

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