Free physics question bank
Friction in Single-Block Systems questions with solutions
Practice Newtons law of motion and Friction for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–10 of 73 questions
- MCQmediumNewtons law of motion and Friction
The time taken by an object to slide down a 45° rough inclined plane is n times the time it takes to slide down a perfectly smooth 45° inclined plane. The coefficient of kinetic friction between the object and the incline plane is:
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JEE Mains29 January 2023Shift 2Evening Shift
Open question & full solution → - MCQmediumNewtons law of motion and Friction
A given object takes n times the time to slide down 45° rough inclined plane as it takes the time to slide down an identical perfectly smooth 45° inclined plane. The coefficient of kinetic friction between the object and the surface of inclined plane is:
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JEE Mains 2024 08 Apr Evening Shift
Open question & full solution → - IntegermediumNewtons law of motion and Friction
A 100 N force presses a 3 kg block against a vertical wall at 30° as shown. The coefficient of friction is 1/4. Find the frictional force in N.
JEE Mains
Open question & full solution → - MCQmediumNewtons law of motion and Friction
An insect is at the bottom of a hemispherical ditch of radius 1 m. It crawls upward and just starts slipping at height h. If μ = 0.75, find h.
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JEE Mains 2020
Open question & full solution → - MCQdifficultNewtons law of motion and FrictionOpen question & full solution →
A 2 kg block is on a smooth incline of angle 37° which rises towards the right. A horizontal force F towards the right is applied so that the block remains at rest. Take g = 10 m/s², sin37° = 3/5 and cos37° = 4/5. F is:
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- MCQmediumNewtons law of motion and Friction
A rocket accelerates vertically upward at 2g. Inside it, a mass m rests on an incline at angle θ with the horizontal. The minimum coefficient of friction required so that the mass does not move relative to the incline is:
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JEE Mains 2016
Open question & full solution → - MCQeasyNewtons law of motion and Friction
A block of mass 5 kg is moving on an inclined plane which makes an angle of 30° with the horizontal. Friction coefficient between the block and inclined plane surface is √3/2. The force to be applied on the block so that the block will move down without acceleration is ______ N.
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JEE Mains 202628 January Morning Shift
Open question & full solution → - MCQmediumNewtons law of motion and Friction
Block A is placed on a rough wedge B of inclination 53°. The wedge is on a smooth surface and is accelerated horizontally to the right with acceleration g. Block A is given an initial velocity relative to the wedge. Find the coefficient of friction for which A moves with constant velocity relative to the wedge.
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JEE Advanced
Open question & full solution → - MCQdifficultNewtons law of motion and FrictionOpen question & full solution →
A block of mass m is on a rough horizontal surface with coefficient of static friction μ. A force F is applied at an adjustable angle θ above the horizontal. The minimum magnitude of F required to initiate motion is:
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- MCQdifficultNewtons law of motion and FrictionOpen question & full solution →
A rough wedge of angle θ rises towards the right and accelerates horizontally leftward with magnitude a. A block remains at rest relative to it. Assume tanθ > μ and cosθ > μ sinθ. The complete range of a for which sticking is possible is:
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