PHYSICS For Joint Entrance Examination JEE (Advanced) Mechanics I>Chapter 6 - Newton's Laws of Motion (Without Friction)>Archives>Q 2

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JEE Advanced

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Two fixed frictionless inclined planes making angles $30 °$ and $60 °$ with the vertical are shown in the figure. Two blocks $A$ and $B$ are placed on the two planes. What is the relative vertical acceleration of $A$ with respect to $B ?$

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Important Questions on Newton's Laws of Motion (Without Friction)

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JEE Advanced

IMPORTANT

PHYSICS For Joint Entrance Examination JEE (Advanced) Mechanics I>Chapter 6 - Newton's Laws of Motion (Without Friction)>Archives>Q 3

A particle of mass

m

is at rest at the origin at time

t = 0 .

It is subjected to a force

F (t) = F_{0} e^{- b t}

in the

x

-direction. Its speed

v (t)

is depicted by which of the following curves?

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JEE Advanced

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PHYSICS For Joint Entrance Examination JEE (Advanced) Mechanics I>Chapter 6 - Newton's Laws of Motion (Without Friction)>Archives>Q 1

A piece of wire is bent in the shape of a parabola,

y = k x^{2}

(

y

-axis vertical) with a bead of mass

m

on it. The bead can slide on the wire without friction. It stays at the lowest point of the parabola when the wire is at rest. The wire is now accelerated parallel to the

x

-axis with a constant acceleration

a

. The distance of the new equilibrium position of the bead, where the bead can stay at rest with respect to the wire, from the

y

-axis is,