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JEE 2020 Revision Quiz: Laws of Motion & Friction
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Question 1
An object of mass
is fixed to a massless rod pivoted at point B, as shown in the figure below.
The rod is free to move in any direction without any resistance. A large mass M is fixed to the point A. If the two masses interact with each other via. gravity then the general motion of the system of two masses will satisfy the condition.
is fixed to a massless rod pivoted at point B, as shown in the figure below. The rod is free to move in any direction without any resistance. A large mass M is fixed to the point A. If the two masses interact with each other via. gravity then the general motion of the system of two masses will satisfy the condition.
Question 2
A batsman exerts force on a bat with a Force F. On which of the following positions, will the force produce an acceleration of center of mass with the largest magnitude?
Assume the force applied is instantaneous.
Assume the force applied is instantaneous.
Question 3
A rope of mass 5 kg is hanging between two supports as shown. The tension at the lowest point of the rope is close to (take 
)
) Question 4
A girl holds a book of mass 
against a vertical wall with a horizontal force 
using her finger so that the book does not move, the frictional force on the book by the wall is
against a vertical wall with a horizontal force using her finger so that the book does not move, the frictional force on the book by the wall isQuestion 5
A person is driving a vehicle at uniform speed of 5 m s-1 on a level curved track of radius 5 m. The coefficient of static friction between tyres and road is 0.1. Will the person slip while taking the turn with the same speed?
Take g = 10 m s-2
Choose the correct statement.
Take g = 10 m s-2
Choose the correct statement.
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Apr 13JEE & BITSAT
