JEE Main 2007 — Laws Of Motion Question with Solution
From: AIEEE 2007
Question
A block of mass is connected to another block of by a spring (massless) of spring constant The block are kept on a smooth horizontal plane. Initially the blocks are at rest and the spring is unstretched. Then a constant force starts acting on the block of mass to pull it. Find the force of the block of mass
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
From free body-diagram of
we get
From free body-diagram of
we get
where is force due to spring
Now, force acting on the block of mass is
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This is a previous-year question from JEE Main 2007, covering the Laws Of Motion chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.