Practice SUMMARY - 6.13 | 6. SYSTEMS OF PARTICLES AND ROTATIONAL MOTION | CBSE 11 Physics - Part 1
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SUMMARY

6.13 - SUMMARY

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Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define a rigid body.

💡 Hint: Think about what happens to the distance between particles in a rigid body.

Question 2 Easy

What is the significance of the center of mass?

💡 Hint: Consider how it helps in calculating trajectories of complex bodies.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the center of mass?

The point where mass is concentrated
The geometric center
The point where gravitational force acts

💡 Hint: Think about how you would balance a large object.

Question 2

True or False: Torque is the rotational analogue of linear force.

True
False

💡 Hint: Recall the formula linking torque with rotation and force.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Two bicycles are connected by a long rod at their centers. If one bike cycles at 5 m/s, what’s the effect on the rotational motion?

💡 Hint: Consider how speeds and distances combine in these setups.

Challenge 2 Hard

A disc is rolling down an incline without slipping. Calculate its rotational and translational speeds at any point.

💡 Hint: Settle down the relation between rolling motion and the center of mass.

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Reference links

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