Physics MCQs for Class 9 with Answers
The formula for centripetal force is:
Fc = mv2
Fc = mr2
Fc = mv2 / r
Fc = m/v
The rage of change of momentum is equal.
Mass
Force
Weight
None
Newton related inertia of the body with its
Weight
Mass
Density
Force
A body has mass 986 Kg than W = …………… .
9860 kg
9860 N
9860 m/s2
Nil
If the mass of body is doubled while keeping the force contant, then acceleration will be:
Doubled
One half
4 times
One fourth
The approximate weight of 80 gram mass on the surface of Earth is
800 N
80 N
0.8 N
8 N
When the cyclist stop pedalling, bicycle stops due to :
Friction
Momentum
Weight
Mass
If the object is at rest to T ………….. W.
=
=/
<
>
S.I unit of force is:
N
Ns
s
None
The formula of momentum is:
P=Fa
P=mv
F=ma
F=mg
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