Question

1. The unit of moment of inertia is _____________, and its dimension is ______________.
a) kg m2
, M L2
b) kg m-2
, M L-2
c) kg m3
, M L3
d) kg m-3
, M L-3
2. Moment of inertia of a thin uniform disc about an axis passing through the centre and perpendicular to
the plane is
a)
1 2 MR
4
b)
1 2 MR
2
c)
5 2 MR
4
d)
3 2 MR
2
3. When the net force and net torque acts on the body is zero, then the body is in
a) static equilibrium b) dynamic equilibrium
c) both (a) and (b) d) translational equilibrium
4. The force acting on a cyclist negotiating a circular road is /are
a) gravitational force b) centrifugal force
c) frictional force d) all the above
5. Which of the following examples does not constitute a couple?
a) steering a car b) turning a pen cap c) bolls rolls on the floor d) closing the door

Answer 1

Answer:

hum to hai nahi balki ek hai ki is par bhi bataya gaya tha ki man ki bat hai aur fir se shuru hua tha ki man ki bat hai lekin shayad nahi jante hai lekin is bat ko dhokha de raha hun ki bat hai aur fir se khada abhineta hai aur fir se