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Friction Science - Friction

Maharashtra Board - STD 8 - Science (MSBSHSE - Semi English Medium). 110 questions in this chapter.

Question types

Friction question types

110 questions across 6 question groups — pick any mix to generate a Science paper with step-by-step answer keys.

110
Questions
6
Question groups
5
Question types
Sample Questions

Friction questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark
The weight of an object can be measured by a:
  • A
    Beam balance.
  • B
    Analytical balance.
  • ✓
    Spring balance.
  • D
    Physical balance.

Answer: C.

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Q 2MCQ1 Mark
Ball bearing is a device which usually converts:
  • A
    Rolling friction into sliding friction.
  • B
    Static friction into sliding friction.
  • ✓
    Sliding friction into rolling friction.
  • D
    Rolling friction into static friction.

Answer: C.

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Q 3MCQ1 Mark
Which of the following will produce the maximum friction?
  • ✓
    Rubbing of sand paper on glazed paper.
  • B
    Rubbing of sand paper on glass table top.
  • C
    Rubbing of sand paper on aluminium frame.
  • D
    Rubbing of sand paper on sand paper.

Answer: A.

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Q 4MCQ1 Mark
A boy runs his toy car on dry marble floor, wet marble floor, newspaper and towel spread on the floor. The force of friction acting on the car on different surfaces in increasing order will be:
  • ✓
    Wet marble floor, Dry marble floor, Newspaper, Towel.
  • B
    Newspaper, Towel, Dry marble floor, Wet marble floor.
  • C
    Towel, Newspaper, Dry marble floor, Wet marble floor.
  • D
    Wet marble floor, Dry marble floor, Towel, Newspaper.

Answer: A.

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Q 5MCQ1 Mark
If the static friction between two surfaces $X$ and $Y$ is found to be $20N,$ then the rolling friction between these two surfaces should most likely be:
  • A
    $25N.$
  • B
    $20N.$
  • ✓
    $5N.$
  • D
    $50N.$

Answer: C.

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Q 12Question Answer (1 Marks)1 Mark
When a pencil cell is released from a certain point on an inclined wooden board, it travels a distance of 35 cm on floor A before it comes to rest. When the same pencil cell is released from the same point on the same inclined board, it travels a distance of 20 cm on floor B before coming to rest. Which floor, A or B, offers greater friction? Give reason for your answer.
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