The correct answer is: B) ) 1/3 Let total length = L, hanging length = L/4 Weight hanging = (1/4)mg Friction = μ × (3/4)mg At slipping: μ × (3/4)mg = (1/4)mg => μ = 1/3 (Wait! Misread earlier) Correction: (1/4)mg = μ × (3/4)mg => μ = 1/3
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100 Questions
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60 Mins English English30 Questions30 Marks20 Mins English English100 Questions100 Marks60 Mins EnglishConsider the interaction forces between two protons separated by a distance of the order of 1 femtometer ($10^{-15}m$). The correct order of the strengths of the electromagnetic, gravitational and nuclear forces acting between them is
A particle is found to be at rest when observed from a reference frame S1 and the same particle is found to move with a constant velocity when observed from another frame S2. Which of the following statements is true?
Which of the following statements about average velocity is NOT correct?
If the acceleration of a body is halved and mass remains constant, the force will
A ball is dropped from rest. What will be the velocity of the ball after falling 20 m? (Take g = 10 m/s²)
Suggested Test Series
Suggested Test Series
Consider the interaction forces between two protons separated by a distance of the order of 1 femtometer ($10^{-15}m$). The correct order of the strengths of the electromagnetic, gravitational and nuclear forces acting between them is
A particle is found to be at rest when observed from a reference frame S1 and the same particle is found to move with a constant velocity when observed from another frame S2. Which of the following statements is true?
Which of the following statements about average velocity is NOT correct?
If the acceleration of a body is halved and mass remains constant, the force will
A ball is dropped from rest. What will be the velocity of the ball after falling 20 m? (Take g = 10 m/s²)
