Self Studies

Friction Test -...

TIME LEFT -
  • Question 1
    1 / -0

    The force of friction which opposes one surface to just slide over the other is called the

  • Question 2
    1 / -0

    When two smooth surfaces slide over each other, the friction

  • Question 3
    1 / -0

    Why is the shape of an aeroplane designed similar to the shape of a bird?

  • Question 4
    1 / -0

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

  • Question 5
    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 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 minimum distance?

  • Question 7
    1 / -0

    When oils or other liquid lubricants cannot be used to reduce friction in a machine, then which of the following statements stands true?

  • Question 8
    1 / -0

    How is static friction different from sliding friction?

  • Question 9
    1 / -0

    Anu runs her toy car firstly on dry marble floor, secondly on oily floor, thirdly on newspaper and fourthly on towel spread on the floor. Write the force of friction acting on the car on different surfaces in decreasing order.

  • Question 10
    1 / -0

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

  • Question 11
    1 / -0

    Directions For Questions

    Directions: Read the following statements carefully and answer the question given below.

    (i) We are able to walk because of friction.
    (ii) Friction between tip of a pen and a paper allows us to write.
    (iii) Friction between the different parts of machines produces heat.

    ...view full instructions

    Which of the above statements is incorrect?

  • Question 12
    1 / -0

    Why is it easier moving a box already in motion than a box at rest?

  • Question 13
    1 / -0

    Under which of the following phases of its flight, will a helicopter experience the maximum drag from air?

  • Question 14
    1 / -0

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

  • Question 15
    1 / -0

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

Submit Test
Self Studies
User
Question Analysis
  • Answered - 0

  • Unanswered - 15

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
Submit Test
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now