Verified Solution • 2025–26 Session moderate

QJEEM21Ph14aa: JEE Main 2021 Physics - Class 11 JEEM21Ph14aa Solution: An object of mass 'm' is being moved with a constant velocity…

An object of mass 'm' is being moved with a constant velocity under the action of an applied force of 2N along a frictionless surface with following surface profile.

JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 67 English
The correct applied force vs distance graph will be :

Multiple Choice Options

  • A https://ik.imagekit.io/novatra/photos/ac94cd33ba8e810510a3f753eaeb4279eb5d900b37939b1fe59672a44ebee254.webp
  • B https://ik.imagekit.io/novatra/photos/7cb3beb05eca6741242d166545a16af04e4336698e0d45d040b76796bdab3d6d.webp
  • C https://ik.imagekit.io/novatra/photos/41cf49aca60dccdb5ed40868251aeadb20a6568ea581e519650cc5f3001eb366.webp
  • D https://ik.imagekit.io/novatra/photos/5c51aaa16ec268363308eb0e92b86f581dcbe6bcc5370fe5e706faf4da396006.webp

Step-by-Step Verified Solution

During upward motion

F = 2N = (+ve) constant

JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 67 English Explanation 1
During downward motion

⇒\Rightarrow F = 2N = ( −- ve) constant
JEE Main 2021 (Online) 1st September Evening Shift Physics - Laws of Motion Question 67 English Explanation 2
⇒\Rightarrow Best possible answer is option (c)

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