1
IIT-JEE 1987
MCQ (More than One Correct Answer)
+2
-0.5
A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows that :
A
Its velocity is constant
B
its acceleration is constant
C
its kinetic energy is constant
D
it moves in a circular path
2
IIT-JEE 1985
MCQ (More than One Correct Answer)
+2
-0.5
A uniform chain of length L and mass M is lying on a smooth table and one third of its length is hanging vertically down over the edge of the table. If g is acceleration due to gravity, the work required to pull the hanging part on to the table is
A
MgL
B
$${{MgL} \over 3}$$
C
$${{MgL} \over 9}$$
D
$${{MgL} \over {18}}$$
3
IIT-JEE 1984
MCQ (More than One Correct Answer)
+2
-0.5
A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in the time t is proportional to
A
t1/2
B
t3/4
C
t3/2
D
t2
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