Class 11 Exam > Class 11 Questions > A body in equilibriuma)has zero resultant of ...
Start Learning for Free
A body in equilibrium
- a)has zero resultant of all internal forces but not of external ones
- b)has external forces balanced by internal forces
- c)has two equal forces acting in opposite directions
- d)has zero resultant of all the external forces acting on it
Correct answer is option 'D'. Can you explain this answer?
| FREE This question is part of | Download PDF Attempt this Test |
Verified Answer
A body in equilibriuma)has zero resultant of all internal forces but n...
A body is said to be in equilibrium only when the net resultant of all external forces applied on the body becomes zero. It does not depend upon any of the internal forces because for any system internal forces exist in pairs because of Newton's third law and hence they result in null.
Most Upvoted Answer
A body in equilibriuma)has zero resultant of all internal forces but n...
A body in equilibrium refers to a state in which the body is not undergoing any acceleration or rotation. In other words, the body is at rest or moving with a constant velocity. To achieve equilibrium, the net force acting on the body must be zero.
External and Internal Forces:
- External forces are those that are applied to the body from the outside. These forces can include gravitational force, contact forces, or any other forces that act on the body due to its interaction with the environment.
- Internal forces, on the other hand, are forces that are generated within the body itself. These forces can be the result of interactions between different parts of the body, such as tension in a string or compression in a solid object.
Zero Resultant of External Forces:
When a body is in equilibrium, the net force of all the external forces acting on it is zero. This means that the external forces are balanced and cancel each other out. In other words, the vector sum of all the external forces is zero.
Explanation of the Correct Answer:
The correct answer is option 'D', which states that a body in equilibrium has a zero resultant of all the external forces acting on it. This means that the external forces are balanced and cancel each other out, resulting in no net force acting on the body.
When the external forces on a body are balanced, it implies that the body is not experiencing any acceleration or change in its state of motion. This is because the balanced external forces are equal in magnitude and opposite in direction, resulting in a zero net force.
Internal Forces in Equilibrium:
While the resultant of external forces acting on a body in equilibrium is zero, it does not necessarily mean that the resultant of all the internal forces is zero. Internal forces can still exist within the body, but their vector sum does not contribute to the net force on the body.
Summary:
In summary, a body in equilibrium has a zero resultant of all the external forces acting on it. This means that the external forces are balanced and cancel each other out, resulting in no net force on the body. The internal forces may still exist within the body, but they do not contribute to the net force on the body in equilibrium.
External and Internal Forces:
- External forces are those that are applied to the body from the outside. These forces can include gravitational force, contact forces, or any other forces that act on the body due to its interaction with the environment.
- Internal forces, on the other hand, are forces that are generated within the body itself. These forces can be the result of interactions between different parts of the body, such as tension in a string or compression in a solid object.
Zero Resultant of External Forces:
When a body is in equilibrium, the net force of all the external forces acting on it is zero. This means that the external forces are balanced and cancel each other out. In other words, the vector sum of all the external forces is zero.
Explanation of the Correct Answer:
The correct answer is option 'D', which states that a body in equilibrium has a zero resultant of all the external forces acting on it. This means that the external forces are balanced and cancel each other out, resulting in no net force acting on the body.
When the external forces on a body are balanced, it implies that the body is not experiencing any acceleration or change in its state of motion. This is because the balanced external forces are equal in magnitude and opposite in direction, resulting in a zero net force.
Internal Forces in Equilibrium:
While the resultant of external forces acting on a body in equilibrium is zero, it does not necessarily mean that the resultant of all the internal forces is zero. Internal forces can still exist within the body, but their vector sum does not contribute to the net force on the body.
Summary:
In summary, a body in equilibrium has a zero resultant of all the external forces acting on it. This means that the external forces are balanced and cancel each other out, resulting in no net force on the body. The internal forces may still exist within the body, but they do not contribute to the net force on the body in equilibrium.
Attention Class 11 Students!
To make sure you are not studying endlessly, EduRev has designed Class 11 study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in Class 11.
|
Explore Courses for Class 11 exam
|
|
Similar Class 11 Doubts
Top Courses for Class 11View all
A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer?
Question Description
A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer?.
A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer?.
Solutions for A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 11.
Download more important topics, notes, lectures and mock test series for Class 11 Exam by signing up for free.
Here you can find the meaning of A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer?, a detailed solution for A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? has been provided alongside types of A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice A body in equilibriuma)has zero resultant of all internal forces but not of external onesb)has external forces balanced by internal forcesc)has two equal forces acting in opposite directionsd)has zero resultant of all the external forces acting on itCorrect answer is option 'D'. Can you explain this answer? tests, examples and also practice Class 11 tests.
|
|
Explore Courses for Class 11 exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup