1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
On the horizontal surface of a truck a block of mass 1 kg is placed (m = 0.6) and truck is moving with acceleration 5 m/sec2 then the frictional force on the block will be
A
5 N
B
6 N
C
5.88 N
D
8 N
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
If $$\left| {\overrightarrow A + \overrightarrow B } \right| = \left| {\overrightarrow A } \right| + \left| {\overrightarrow B } \right|$$ then angle between A and B will be
A
90o
B
120o
C
0o
D
60o.
3
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A 1 kg stationary bomb is exploted in three parts having mass 1 : 1 : 3 respectively. Parts having same mass move in perpendicular direction with velocity 30 m/s, then the velocity of bigger part will be
A
$$10\sqrt 2 $$ m/sec
B
$${{10} \over {\sqrt 2 }}$$ m/sec
C
$$15\sqrt 2 $$ m/sec
D
$${{15} \over {\sqrt 2 }}$$ m/sec
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A disc is rolling, the velocity of its centre of mass is vcm. Which one will be correct?
A
the velocity of highest point is 2 vcm and point of contact is zero
B
the velocity of highest point is vcm and point of contact is vcm
C
the velocity of highest point is 2vcm and point of contact is vcm
D
the velocity of highest point is 2vcm and point of contact is 2vcm.