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Question-1
The maximum static force of friction experienced when one body just slides up on another body is called.
(A)
Static friction
(B)
Limiting friction
(C)
Dynamic friction
(D)
Sliding friction
Question-2
The frictional force exerted by fluids is called:
(A)
Lift
(B)
Drag
(C)
Rolling friction
(D)
Dynamic friction
Question-3
A body in uniform motion has
(A)
constant speed
(B)
constant velocity
(C)
constant acceleration
(D)
changing speed
Question-4
The force which prevents us from slipping while walking on the road is:
(A)
Muscular force of our body
(B)
Gravitational pull by earth
(C)
Friction force
(D)
Balanced forces of nature
Question-5
Spikes are provided in the shoes of athlete:
(A)
For decoration
(B)
To increase friction
(C)
To decrease friction
(D)
None of the above
Question-6
Limiting friction does not depend on
(A)
Nature of the surfaces in contact with each other
(B)
Weight of the body
(C)
Area of contact
(D)
Mass of the body
Question-7
It we apply a force to a body which is in contact with the surface of another body and it the body does not move, then the force friction is
(A)
Static friction
(B)
Limiting friction
(C)
Dynamic friction
(D)
Sliding friction
Question-8
A streamlined body:
(A)
Increases friction
(B)
Reduces friction
(C)
Decreases weight
(D)
Increases weight
Question-9
The minimum force required to make one body just slide over another body is called
(A)
Static friction
(B)
Rolling friction
(C)
Sliding friction
(D)
Limiting friction
Question-10
Friction is a type of:
(A)
contact force
(B)
non contact force
(C)
resistance force
(D)
motion
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Std 7
Kerala (English Medium)
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