LIVE Course for free

Rated by 1 million+ students
Get app now
0 votes
28 views
in Physics by (41.6k points)
closed by
The rate of change of momentum of any object is directly proportional to the applied force on the body is according to ________ of motion.
1. Newton’s first law 
2. Newton’s second law
3. Newton’s third law 
4. None of the above

1 Answer

0 votes
by (30.0k points)
selected by
 
Best answer
Correct Answer - Option 2 : Newton’s second law

CONCEPT:

Newton’s first law of motion: It is also called the law of inertia. Inertia is the ability of a body by virtue of which it opposes a change.

  • According to Newton’s first law of motion, an object will remain at rest or in uniform motion in a straight line unless acted upon by an external force.

Newton’s Second law of motion: The rate of change of momentum of any object is directly proportional to the applied force on the body.

\({\rm{Force\;}}\left( {\rm{F}} \right) = \frac{{{\rm{Δ }}P}}{{{\rm{Δ }}t}}\)

Where Δ P = Change in momentum and Δ t = change in time taken

Newton’s Third Law: To every action, there is always an equal (in magnitude) and opposite (in direction) reaction. This opposite force is called the reaction force.

  • When a body exerts a force on any other body, the second body also exerts an equal and opposite force on the first.
  • Forces in nature always occur in pairs. A single isolated force is not possible.

EXPLANATION:

From the above explanation, we can see that, 

  • According to Newton's second law of motion," the rate of change of momentum of any object is directly proportional to applied force"

i.e., \({\rm{Force\;}}\left( {\rm{F}} \right) = \frac{{{\rm{Δ }}P}}{{{\rm{Δ }}t}}\)

Hence option 2 is correct among all

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...