Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Laws of Motion question

2021 · 26 Feb · Shift 1 · Q72
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Laws of Motion
  5. /2021 · 26 Feb · Shift 1 · Q72

Laws of Motion question

2021 · 26 Feb · Shift 1 · Q72

JEE MainPhysicsLaws of MotionNumerical+4 / −1
As shown in the figure, a block of mass 3\sqrt 33​ kg is kept on a horizontal rough surface of coefficient of friction 133{1 \over {3\sqrt 3 }}33​1​. The critical force to be applied on the vertical surface as shown at an angle 60 ∘^\circ∘ with horizontal such that it does not move, will be 3x. The value of x will be ‾\underline{\hspace{2cm}}​. [g = 10 m/s2; sin60 ∘^\circ∘=32{{\sqrt 3 } \over 2}23​​; cos60 ∘^\circ∘=12{1 \over 2}21​] JEE Main 2021 (Online) 26th February Morning Shift Physics - Laws of Motion Question 92 English
Numerical answer
PreviousNext

More from Laws of Motion

  • Two masses A and B, each of mass M are fixed together by a massless spring. A force acts on the mass B as shown in the figure. If the mass A starts moving away from mass B with acceleration 'a', then the acceleration of mass B will be : Includes diagram2021 · MCQ
  • The boxes of masse 2 kg and 8 kg are connected by a massless string passing over smooth pulleys. Calculate the time taken by box of mass 8 kg to strike the ground starting from rest. (use g = 10 m/s2) Includes diagram2021 · MCQ
  • A particle of mass M originally at rest is subjected to a force whose direction is constant but magnitude varies with time according to the relation F=F0​[1−(Tt−T​)2] Where F0 and T…2021 · MCQ
  • A car is moving on a plane inclined at 30 ∘ to the horizontal with an acceleration of 10 ms − 2 parallel to the plane upward. A bob is suspended by a string from the roof of the car. The angle in degrees which the string makes…2021 · Numerical
  • Statement : 1 If three forces F1​,F2​ and F3​ are represented by three sides of a triangle and F1​+F2​=−F3​,…2021 · MCQ
  • A small ball of mass m is thrown upward with velocity u from the ground. The ball experiences a resistive force mkv2 where v is its speed. The maximum height attained by the ball is :2020 · MCQ
  • A spaceship in space sweeps stationary interplanetary dust. As a result, its mass increases at a rate dtdM(t)​ = bv2(t), where v(t) is its instantaneous velocity. The instantaneous acceleration of the satellite…2020 · MCQ
  • An insect is at the bottom of a hemispherical ditch of radius 1 m. It crawls up the ditch but starts slipping after it is at height h from the bottom. If the coefficient of friction between the ground and the insect is 0.75, then h is : (g…2020 · MCQ