Answer available
Class 11 · Physics · Laws of Motion
A body of mass 2 kg moving at 5 m s−1 is brought to rest in 0.5 s. Find the retarding force and the impulse.
3 marksMediumNumerical
Class 11 · ICSE · Physics
Laws of Motion
Newton's laws, momentum and impulse, friction, and the dynamics of uniform circular motion.
- Questions
- 7
- PYQs
- 0
- Topics
- 0
Syllabus mapping: ISC syllabus (CISCE)
Questions
7 questions in this chapter.
- Answer available
Class 11 · Physics · Laws of Motion
Explain why a body moving in a circle at constant speed is said to be accelerating.
3 marksMediumShort answer
- Answer available
Class 11 · Physics · Laws of Motion
State the law of conservation of linear momentum and derive it from Newton's third law.
3 marksMediumShort answer
- Answer available
Class 11 · Physics · Laws of Motion
Why is the road banked at a curve, and what does the angle of banking depend on?
3 marksMediumApplication based
- Answer available
Class 11 · Physics · Laws of Motion
A body of mass 10 kg is pulled along a rough horizontal surface by a force of 40 N. If the coefficient of kinetic friction is 0.2, find the acceleration. Take g = 10 m s−2.
3 marksMediumNumerical
- Answer available
Class 11 · Physics · Laws of Motion
A car of mass 1,000 kg rounds a level curve of radius 50 m at 10 m s−1. Find the centripetal force needed and the minimum coefficient of friction. Take g = 10 m s−2.
3 marksMediumNumerical
- Answer available
Class 11 · Physics · Laws of Motion
A block of mass 5 kg rests on a horizontal surface whose coefficient of static friction is 0.4. Find the least horizontal force needed to move it. Take g = 10 m s−2.
3 marksMediumNumerical