1
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless road. If the banking angle is 45o, the speed of the car is
A
20 m s$$-$$1
B
30 m s$$-$$1
C
5 m s$$-$$1
D
10 m s$$-$$1
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
A solid cylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 m s$$-$$1. It collides with a horizontal spring of force constant 200 N m$$-$$1. The maximum compression produced in the spring will be
A
0.5 m
B
0.6 m
C
0.7 m
D
0.2 m
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
When a mass is rotating in a plane about a fixed point, its angular momentum is directed along
A
a line perpendicular to the plane of rotation
B
the line making an angle of 45o to the plane of rotation
C
the radius
D
the tangent to the orbit
4
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
ABC is an equilateral triangle with O as its centre. $${\overrightarrow F _1},{\overrightarrow F _2}$$ and $${\overrightarrow F _3}$$ represent three forces acting along the sides AB, BC and AC respectively. If the total torque about O is zero then magnitude of $${\overrightarrow F _3}$$ is

AIPMT 2012 Prelims Physics - Rotational Motion Question 66 English
A
F1 + F2
B
F1 $$-$$ F2
C
$${{{F_1} + {F_2}} \over 2}$$
D
2(F1 + F2)