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Self Studies
Self Studies
Self Studies
Self Studies

Friction Test -...

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  • Question 1
    1 / -0

    Soap solutions are used in high speed cutting and grinding because

  • Question 2
    1 / -0

    Brakes of automobiles do not work well during rainy season because

  • Question 3
    1 / -0

    In which of the following situations friction is advantageous?

    A. Writing on the black board
    B. Riding on the vehicle
    C. Brushing the teeth
    D. Sliding a box on the inclined plane

  • Question 4
    1 / -0

    Pick up the correct statements.

    A. Sprinkling of powder on carom board, fills up the irregularities in the board surface. Hence, it reduces the friction.
    B. Saliva in our mouth helps us to swallow the food.
    C. Flat tyres increase the grip in the roads.

  • Question 5
    1 / -0

    Which of the following instruments is used to measure force of friction?

  • Question 6
    1 / -0

    Directions For Questions

    Directions: Read the given data and answer the following question.

    Make an inclined plane on a smooth floor and put a mark with pen at any point A on the inclined plane. Let a pencil cell move down from this point and note down the distance. Now, spread a piece of woolen cloth on the plane and repeat the experiment noting the distance. Repeat this activity by spreading sand paper over it.

    ...view full instructions

    In which case does the pencil cell covers maximum distance?

  • Question 7
    1 / -0

    Directions For Questions

    Directions: Read the given data and answer the following question.

    Make an inclined plane on a smooth floor and put a mark with pen at any point A on the inclined plane. Let a pencil cell move down from this point and note down the distance. Now, spread a piece of woolen cloth on the plane and repeat the experiment noting the distance. Repeat this activity by spreading sand paper over it.

    ...view full instructions

    In which case does the pencil cell covers minimum distance?

  • Question 8
    1 / -0

    Why are brake pads used in the brake system of bicycles and automobiles?

  • Question 9
    1 / -0

    It is difficult to drag a bucket full of water than an empty bucket because

  • Question 10
    1 / -0

    A bicycle is in motion. The force of friction exerted by the ground on its wheel is such that it acts

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