1
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
Two particles having mass M and m are moving in a circular path having radius R and r. If their time period are same then the ratio of angular velocity will be
A
$${r \over R}$$
B
$${R \over r}$$
C
1
D
$$\sqrt {{R \over r}} $$
2
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
250 N force is required to raise 75 kg mass from a pulley. If rope is pulled 12 m then the load is lifted to 3 m. the efficiency of pulley system will be
A
25%
B
33.3%
C
75%
D
90%
3
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
4
AIPMT 2001
MCQ (Single Correct Answer)
+4
-1
A cricketer catches a ball of mass 150 gm in 0.1 sec moving with speed 20 m/s, then he experiences force of
A
300 N
B
30 N
C
3 N
D
0.3 N.
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