NCERT Solutions for Class 11 Physics Chapter 5

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NCERT Solutions for Class 11 Physics Chapter 5 - Law of Motion

NCERT Solutions for Class 11 Physics Chapter 5 are free on Vedantu’s website. It would benefit the students to prepare for their assessments. Ch 5 Physics Class 11 NCERT Solutions have been composed keeping in mind the latest syllabus, and this has been done by skilled teachers who have been teaching for years and are very well accustomed with the syllabus and scoring schemes. Class 11 Physics Chapter 5 NCERT Solutions would help the student obtain a better knowledge of the subject. The material can also be downloaded in PDF format to make preparation effortless for the students.

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NCERT Solutions for Class 11 Physics Chapter 5 Laws of Motion part-1
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FAQ (Frequently Asked Questions)

1. Why Do We See Objects Slowing Down?

Before Newton and Galileo, it was believed that the slowing down of objects was a natural tendency of the objects. Forces like friction and gravity were not known at that time. The frictional force resists the motion of a body, making it lose energy resulting in slowing it down. For example, when we see a toy automobile rolling on a concrete surface, the car's speed is defined by the force of friction among the road and the car wheels. When the toy car rides over a smooth surface, the wheel will engage with little resistance. This will set up a frictional obstruction and will let the car drive faster atop the plain tile surface.

2. Provide a Few Examples of Newton's Third Law of Motion.

Some examples regarding Newton's third law of motion are mentioned below:

  • A travelling or navigation of fish through water is an excellent example of an action-reaction set. A fish utilizes its fins to push the water backwards. This push is the act that serves to accelerate the fish forwards, which is the equivalent reaction. The direction of the applied force on the fish (forward) is opposite in the direction of the force on the water (backwards).

  • A swimmer applies force against the water, which is the action. In return, the water moves the swimmer in front, which is the equal and opposite reaction. Therefore it is another excellent example of the third law.

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