1
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A rod of length is 3 m and its mass acting per unit length is directly proportional to distance x from one of its end then its centre of gravity from that end will be at :
A
1.5 m
B
2 m
C
2.5 m
D
3.0 m.
2
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A point P consider at contact point of a wheel on ground which rolls on ground without slipping then value of displacement of point P when wheel completes half of rotation (if radius of wheel is 1 m)
A
2 m
B
$$\sqrt {{\pi ^2} + 4} m$$
C
$$\pi \,m$$
D
$$\sqrt {{\pi ^2} + 2} \,m$$
3
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A solid sphere of radius R is placed on smooth horizontal surface. A horizontal force F is applied at height h from the lowest point. For the maximum acceleration of centre of mass, which is correct ?
A
h = R
B
h = 2R
C
h = 0
D
no relation between h and R.
4
AIPMT 2002
MCQ (Single Correct Answer)
+4
-1
A disc is rotating with angular speed $$\omega $$. If a child sits on it, what is conserved
A
linear momentum
B
angular momentum
C
kinetic energy
D
potential energy.
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