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PHYSICS MCQ

Force · ICSE STD 6 (ICSE - English Medium). 16 questions.

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16 questions · timed · auto-graded

MCQ 11 Mark
Friction is increased if
  • A
    an oil is sprayed
  • B
    the surfaces are made wet
  • ✓
    the surfaces are made dry
  • D
    the surfaces are polished
Answer
Correct option: C.
the surfaces are made dry
the surfaces are made dry
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MCQ 21 Mark
Friction
  • A
    causes wear and tear
  • B
    produces heat
  • C
    stops a moving body
  • ✓
    has all the above disadvantages
Answer
Correct option: D.
has all the above disadvantages
has all the above disadvantages
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MCQ 31 Mark
Friction is reduced by
  • ✓
    making the surfaces wet
  • B
    making the surfaces dry
  • C
    making the surfaces rough
  • D
    sprinkling sand on the surface.
Answer
Correct option: A.
making the surfaces wet
making the surfaces wet
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MCQ 41 Mark
Friction
  • A
    promotes motion
  • ✓
    opposes motion
  • C
    acts in the direction of motion
  • D
    is always a nuisance
Answer
Correct option: B.
opposes motion
opposes motion
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MCQ 51 Mark
A force to be expressed correctly requires
  • A
    only the magnitude
  • B
    only the direction
  • ✓
    both the magnitude and direction
  • D
    none of the above.
Answer
Correct option: C.
both the magnitude and direction
both the magnitude and direction
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MCQ 71 Mark
A body falls downwards because of
  • A
    electrical force
  • ✓
    gravitational force
  • C
    mechanical force
  • D
    magnetic force
Answer
Correct option: B.
gravitational force
gravitational force
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MCQ 81 Mark
Which of the following is a contact force?
  • A
    Gravitational force
  • ✓
    Frictional force
  • C
    Electrostatic force
  • D
    Magnetic force
Answer
Correct option: B.
Frictional force
Frictional force
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MCQ 91 Mark
Which of the following is not an effect of force?
  • A
    Change in the direction of an object
  • B
    Change in the shape and size of an object
  • ✓
    Change in the mass of an object
  • D
    Change in the position of a stationary object.
Answer
Correct option: C.
Change in the mass of an object
Change in the mass of an object
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MCQ 101 Mark
If you pour some oil onto a floor, the friction would
  • A
    increase
  • ✓
    decrease
  • C
    remain the same
  • D
    none of these
Answer
Correct option: B.
decrease
decrease
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MCQ 121 Mark
Friction for an object can be reduced by
  • A
    providing wheels
  • B
    lubricating
  • C
    streamlining
  • ✓
    all of these
Answer
Correct option: D.
all of these
all of these
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MCQ 131 Mark
A car skids on a wet or muddy road due to
  • A
    increased friction between the road and the tires.
  • B
    lubrication of brakes on a wet road.
  • ✓
    reduced friction between the road and the tires.
  • D
    streamlined shape of the car
Answer
Correct option: C.
reduced friction between the road and the tires.
reduced friction between the road and the tires.
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MCQ 151 Mark
Friction always
  • A
    supports motion
  • B
    starts motion
  • C
    encourages motion
  • ✓
    opposes motion
Answer
Correct option: D.
opposes motion
opposes motion
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MCQ 161 Mark
Force of friction comes into play when $a/an$
  • A
    object attempts motion
  • B
    moving object tries to stop
  • C
    object is at rest
  • ✓
    all of the these
Answer
Correct option: D.
all of the these
all of the these
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