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The work done by a force acting obliquel...

The work done by a force acting obliquely is given by the formula : `W = F cos theta xx s`. What will happen to the work done if angle `theta` between the direction of force and motion of the body is increased gradually ? Will it increase, decrease or remain constant ?

A

increase

B

decrease

C

remain constant

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
NA
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Knowledge Check

  • The work done by a force acting on a body is as shown in the graph. What is the total work done in covering an initial distance of 20m? If the work done by a force acting on a body is as shown in the graph .

    A
    225J
    B
    200J
    C
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    D
    175J

  • A force of 5 N acts on a 15 kg body initially at rest. The work done by the force during the first second of motion of the body is

    A
    5J
    B
    `(5)/(6)J`
    C
    `6J`
    D
    `75J`

  • A force of 5 N acts on a 15 kg body initially at rest. The work done by the force during the first second of motion of the body is

    A
    5 J
    B
    `(5)/(6)J`
    C
    6J
    D
    75 J

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