IIT-JEE 2006 | Laws of Motion Question 24 | Physics

IIT-JEE 2006

MCQ (Single Correct Answer)

-1

Two blocks A and B of masses $2 m$ and $m$, respectively, are connected by a massless and inextensible string. The whole system is suspended by a massless spring as shown in the figure. The magnitudes of acceleration of A and B, immediately after the string is cut, are respectively,

IIT-JEE 2006 Physics - Laws of Motion Question 2 English

$g, g / 2$

$g / 2, g$

$g, g$

$\frac{g}{2}, \frac{g}{2}$

IIT-JEE 2001 Screening

MCQ (Single Correct Answer)

-0.5

The pulleys and strings shown in the figure are smooth and of negligible mass. For the system to remain in equilibrium, the angle $$\theta $$ should be IIT-JEE 2001 Screening Physics - Laws of Motion Question 23 English

IIT-JEE 2001 Screening Physics - Laws of Motion Question 23 English

$$0^\circ $$

$$30^\circ $$

$$45^\circ $$

$$60^\circ $$

IIT-JEE 1994

MCQ (Single Correct Answer)

-0.25

A block of mass 0.1 is held against a wall applying a horizontal force of 5 N on the block. If the coefficient of friction between the block and the wall is 0.5, the magnitude of the frictional force acting on the block is:

2.5 N

0.98 N

4.9 N

0.49 N

IIT-JEE 1980

MCQ (Single Correct Answer)

-0.75

A block of mass 2 kg rests on a rough inclined plane making an angle of $$30^\circ $$ with the horizontal. The coefficient of static friction between the block and the plane is 0.7. The frictional force on the block is

9.8 N

0.7$$ \times $$9.8$$ \times $$$$\sqrt 3 $$ N

9.8$$ \times $$$$\sqrt 3 $$ N

0.7$$ \times $$9.8

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