Work Energy and Power
7 solved questions from Class 11 Physics, each with the full working. Tap any question to see the step-by-step solution.
- 1 What is the fundamental law or governing principle of 'Work Energy and Power' in Class 11 Physics? medium MCQ Fundamental Physical Law
- 2 What is the SI unit and dimensional formula for the key physical quantity studied in 'Work Energy and Power'? medium MCQ SI Units & Dimensional Analysis
- 3 How does the field or potential intensity vary with distance r in 'Work Energy and Power'? medium MCQ Spatial Distance Dependence
- 4 What is the net flux or circulation integral through a closed surface in 'Work Energy and Power'? medium MCQ Gauss's Theorem & Boundary Integrals
- 5 Why do field lines in 'Work Energy and Power' never intersect each other? medium MCQ Field Line Properties
- 6 A 10 kg crate is moved across a horizontal floor by a worker who applies a constant horizontal force of 50 N. The crate travels 5 m. If the coefficient of kinetic friction between crate and floor is 0.2, find the work done by the worker on the crate. easy 2 marks Work done by a constant force
- 7 A 2 kg particle moves with a velocity of 3 m/s in the x-direction. Write the expression for its kinetic energy and calculate its numerical value. medium 3 marks Kinetic Energy of a particle