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Work and Energy...

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  • Question 1
    1 / -0

    The amount of work done when a force of one dyne acting in an object displaces it through a distance of one centimeter along its own direction is known as

  • Question 2
    1 / -0

    Which provides more energy to human body after digestion?

  • Question 3
    1 / -0

    Statement A: If two bodies have same K. E, then their momentum will also be equal
    Statement B: Work done by centripetal force is always greater than zero.

  • Question 4
    1 / -0

    Match the following with correct response.

    Column A Column B
    (1) Kinetic energy (A) Energy due to position
    (2) Potential energy (B) The rate of doing work
    (3) Work (C) Force displaces an object in the direction of force
    (4) Power (D) Energy due to motion

  • Question 5
    1 / -0

    Match the following with correct response.

    Column A Column B
    (1) Velocity effects (A) Energy
    (2) Maximum work done (B) 90∘
    (3) Work done is zero (C) O∘
    (4) Work done, when force act obliquely (D) F × S × cosθ

  • Question 6
    1 / -0

    Match the following with correct response.

    Column A Column B
    (1) Law of conservation of energy (A) kinetic energy
    (2) Stretched rubber band possess (B) Energy neither be created nor be destroyed
    (3) At mean position pendulum attains maximum (C) Interconvertible
    (4) Various energy forms are (D) Potential energy

  • Question 7
    1 / -0

    Match the following with correct response.

    (1) Nm is also called
    (2) Free fall
    (3) A donkey is working with a load on its back
    (4) An engine is pulling train

    (A) Potential energy is equal tokinetic energy
    (B) Work done
    (C) No work done
    (D) Erg

  • Question 8
    1 / -0

    Which of the following statement are incorrect

    (A) A bird sitting on tree possess potential energy only
    (B) A stationary object may have energy
    (C) A flying bird has kinetic energy only
    (D) An aeroplane running on the run- way possess kinetic & potential energy both

  • Question 9
    1 / -0

    Which of the following is not a vector quantity

    A Energy
    B Kinetic energy
    C Work done
    D Power

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