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Which of the following is NOT a force?

  1. Tension
  2. Normal
  3. Mass
  4. Weight

Answer (Detailed Solution Below)

Option 3 : Mass
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Detailed Solution

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CONCEPT:

  • Force: The interaction which after applying on a body changes or try to change the state of rest or the state of motion is called force.
  • Mass is the amount of matter in any substance. It is not a force.
  • Weight: The gravitational force acting on any object on the earth's surface is called its weight.
  • Tension in a rope: In the ideal case rope is massless and intangible, the force on one side is equal to force on the other side.
  • Normal force: It is a force that is exerted by the surface perpendicular to the body. It is a component of the contact force.

F1 J.S 18.5.20 Pallavi D 1

EXPLANATION: 

  • Since the mass is the amount of matter in a substance which is not a force. Hence option 3 is correct.
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Latest Army Technical Agniveer Updates

Last updated on Jun 5, 2025

->Indian Army Technical Agniveer CEE Exam Date has been released on the official website.

-> The Indian Army had released the official notification for the post of Indian Army Technical Agniveer Recruitment 2025.

-> Candidates can apply online from 12th March to 25th April 2025.

-> The age limit to apply for the Indian Army Technical Agniveer is from 17.5 to 21 years.

-> The candidates can check out the Indian Army Technical Syllabus and Exam Pattern.

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