1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Consider a car moving on a straight road with a speed of $$100$$ $$m/s$$. The distance at which car can be stopped is $$\left[ {{\mu _k} = 0.5} \right]$$
A
$$1000$$ $$m$$
B
$$800$$ $$m$$
C
$$400$$ $$m$$
D
$$100$$ $$m$$
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
A block is kept on a frictionless inclined surface with angle of inclination $$'\,\alpha \,'.$$ The incline is given an acceleration $$a$$ to keep the block stationary. Then $$a$$ is equal to
A
$$g$$ $$cosec$$ $$\alpha$$
B
$$g/tan$$ $$\alpha$$
C
$$g$$ $$tan$$ $$\alpha$$
D
$$g$$
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Two masses $${m_1} = 5kg$$ and $${m_2} = 4.8kg$$ tied to a string are hanging over a light frictionless pulley. What is the acceleration of the masses when left free to move? $$\left( {g = 9.8m/{s^2}} \right)$$
A
$$5\,\,m/{s^2}$$
B
$$9.8\,\,m/{s^2}$$
C
$$0.2\,\,m/{s^2}$$
D
$$4.8\,\,m/{s^2}$$
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
A block 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 $$0.8.$$ If the frictionless force on the block is $$10$$ $$N,$$ the mass of the block (in $$kg$$) is $$\left( {take\,\,\,g\, = \,10\,\,m/{s^2}} \right)$$
A
$$1.6$$
B
$$4.0$$
C
$$2.0$$
D
$$2.5$$
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