# Elementary Mechanics Study Materials 2020 – Download B.Sc Physics Study Notes PDF

Download Elementary Mechanics Study Materials 2020. In this article, we are going to provide the Study Notes for School of Sciences. Elementary Mechanics is one of the subjects in the courses of B.Sc in Physics. Here we provide the materials for the important concepts of Gravitation, Work and Energy, Motion, Angular Motion, etc. Download the Study Books, Important Questions of this subject from Exams Time website for better preparation. Unit wise PDFs are also provided below.

## Elementary Mechanics Study Materials

 Name of the Subject Elementary MechanicsÂ Category School of Sciences Useful for Bachelor of Science (Physics)Â Course Type Under Graduation Courses Article on Study Materials 2020 Study Material Format PDF Download Other Study Materials Click Here

## Chapters & Topics

Concepts in Mechanics

• Gravitation
• Angular Motion
• Work and Energy
• Force and Momentum
• Motion

Systems of Particles

• Motion in Non-Inertial Frames of Reference
• Rigid Body Dynamics
• Scattering
• Many-Particle Systems
• Motion under Central Conservative Forces

## Elements of Mechanics Study Books

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### Subject in the Universities

This subject will be useful to the students who are pursuing a Bachelor of Science in Physics. The following university students can also download Elementary MechanicsÂ study materials :

• IGNOU
• Uttarakhand Open University
• University of Calicut
• Lovely Professional University

### Subject in the Semesters

Elementary Mechanics subject will be studied by the students in the following semesters of their respective courses :

• Bachelor of Science (Physics) I Year

### Important Questions

We have mentioned some of the important questions of Elementary Mechanics subject :

• Define unit vector, like vector and equal vectors.
• What are direction cosines? Give its significance?
• Explain the differences between dot and cross products?
• Define scalar triple product.
• What is angular momentum? How the direction of angular momentum can be decided?
• Define divergence of a vector function and its physical significance.
• Explain the physical significance of Gauss’s divergence theorem.
• State and prove Green’s theorem in a plane.
• State and prove Stoke’s theorem in vector analysis.
• Explain the divergence theorem in words and mathematical form.
• Explain the term flux of a vector field.
• Prove and discuss work-energy theorem.
• Define and explain the difference between conservative and non-conservative force.
• What is energy? Discuss the different types of mechanical energy with examples.
• What is the principle of conservation of energy?
• What is torque? Establish a relation between moment of inertia and torque.
• What is moment of inertia? Give its significance.
• Explain electric and magnetic forces.
• Define the terms beam, neutral surface and neutral axis.
• What do you mean by torsional rigidity?
• Differentiate between the angle of twist and angle of shear.
• What is flexural rigidity?
• Explain why steel girders and rails are made in the form of I-Section.

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