Classical Mechanics-Particle Dynamics [IAS (Admin.) Mains Physics]: Questions 1 - 4 of 44

Choose Programs:

📹 Video Course 2024 (300 Lectures [199 hrs : 9 mins]): Offline Support

Rs. 1230.00 -OR-

1 Month Validity (Multiple Devices)

Preview All LecturesDetails

🎓 Study Material (549 Notes): 2024-2025 Syllabus

Rs. 600.00 -OR-

3 Year Validity (Multiple Devices)

Topic-wise Notes & SampleDetails

🎯 544 Questions (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 1000.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 1

Appeared in Year: 2011 (IFS)

Write in Short Short Answer▾

A particle of rest mass ‘M’ moving at a velocity ‘u’ collides with a stationary particle of rest mass ‘m’ . If the particle stick together, show that the speed of the composite ball is equal to,

Where (Paper-1) (Section – A)

Edit

Question 2

Appeared in Year: 2013 (IFS)

Write in Short Short Answer▾

A satellite revolves in a circular orbit around the Earth at a certain height above it. Calculate the time period of revolution of the satellite, if the radius of the Earth is significantly higher than the height at which the satellite revolves. (Section A)

Edit

Question 3

Appeared in Year: 2010 (IFS)

Describe in Detail Subjective▾

Establish the relation between the angular momentum and torque of a particle. Show that this relation leads one to the principle of conservation of angular momentum. (Section A)

Edit

Explanation

  • Angular momentum is a measure of body is given by the cross product of linear momentum and position vector from the axis of rotation.

    Where, is distance from the axis of rotation and the is the linear momentum of the body.

  • Torque …

… (83 more equations) …

Question 4

Appeared in Year: 2016

Describe in Detail Subjective▾

Two weight and are suspended from fixed point by strings and are kept apart by a light rod If the strings and make angles and with rod , show that the angle which the rod makes with the vertical is given by

[CS (Main) Paper 1]

Edit

Explanation

The rod kept apart the strings and carring weights and respectively, at its ends.

The Rod AB Kept Apart the Strings OA and OB

The thrust of the rod at will be equal and opposite to that at in shown in Figure.

Let b…

… (635 more equations, 27 figures) …