1
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A block of mass m is placed on a smooth wedge of inclination $$\theta $$. The whole system is accelerated horizontally so that the block does not slip on the wedge. The force exerted by the wedge on the block will be (g is acceleration due to gravity)
A
mg cos$$\theta $$
B
mg sin$$\theta $$
C
mg
D
mg/cos $$\theta $$
2
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
The coefficient of static friction, $$\mu $$s, between block A of mass 2 kg and the table as shown in the figure is 0.2. What would be the maximum mass value of block B so that the two blocks do not move? The string and the pulley are assumed to be smooth and massless. (g = 10 m/s2)

AIPMT 2004 Physics - Laws of Motion Question 14 English
A
2.0 kg
B
4.0 kg
C
0.2 kg
D
0.4 kg
3
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet ball building. After a fall of 30 feet each towards earth, their respective kinetic energies will be in the ratio of
A
$$\sqrt 2 $$ : 1
B
1 : 4
C
1 : 2
D
1 : $$\sqrt 2 $$
4
AIPMT 2004
MCQ (Single Correct Answer)
+4
-1
A particle of mass m1 is moving with a velocity v1 and another particle of mass m2 is moving with a velocity v2. Both of them have the same momentum but their different kinetic energies are E1 and E2 respectively. If m1 > m2 then :
A
E1 < E2
B
$${{{E_1}} \over {{E_2}}} = {{{m_1}} \over {{m_2}}}$$
C
E1 > E2
D
E1 = E2
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