Home
Class 9
PHYSICS
What is necessary for work to be done? ...

What is necessary for work to be done?
Choose the correct statement.
(1) Action of force is necessary.
(2) Displacement is necessary.
(3) Displacement in the direction of force is necessary.

A

Statement 1

B

Statement 2

C

Statement 3

D

Statement 1 and 3

Text Solution

Verified by Experts

The correct Answer is:
A, C, D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • WORK AND ENERGY

    KUMAR PRAKASHAN|Exercise QUESTION & ANSWER (FILL IN THE BLANKS)|18 Videos

  • WORK AND ENERGY

    KUMAR PRAKASHAN|Exercise QUESTION & ANSWER (FILL IN THE BLANKS BY SELECTING THE CORRECT ALTERNATIVE FROM THOSE GIVEN IN THE BRACKET)|20 Videos

  • WORK AND ENERGY

    KUMAR PRAKASHAN|Exercise QUESTION & ANSWER (ANSWER THE FOLLOWING QUESTIONS IN VERY SHORT)|34 Videos

  • SOUND

    KUMAR PRAKASHAN|Exercise QUESTIONS AND ANSWERS (Additional numericals for practice)|16 Videos

Similar Questions

Explore conceptually related problems

What is necessary for work done when the force is exerted on the body ?

A constant force of 1 N is applied on an object. The body displaces 1 m in the direction of the force. Then work done is ……………. J

Knowledge Check

  • Force acting on a body is vec(F) (3,2,1) N and it experiences a displacement .Work done by the force is ……….

    A
    15 J
    B
    10 J
    C
    5 J
    D
    30 J

  • The work done on the object is negative, then the measure of angle between force and displacement would be …………

    A
    `0^(@)`
    B
    `45^(@)`
    C
    `90^(@)`
    D
    `180^(@)`

    • Similar Questions

    Explore conceptually related problems

    A constant force of 1 N is applied on an object. The body displaces 1 m in the direction of the force. Then work done is ……………. J

    What are the conditions necessary for a satellite to appear stationary.

    Give scientific reasons for the statements : Classification of living organisms is necessary.

    Give scientific reasons for the statements : Classification of living organisms is necessary.

    If the displacement is done by the force then when does the force is consider as constant ?

    When force is exerted on a body what is necessary for work done ?

    Home
    Profile