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

2019 · 9 Jan · Shift 2 · Q62
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Laws of Motion
  5. /2019 · 9 Jan · Shift 2 · Q62

Laws of Motion question

2019 · 9 Jan · Shift 2 · Q62

JEE MainPhysicsLaws of MotionMCQ+4 / −1
A mass of 10 kg is suspended vertically by a rope from the roof. When a horizontal force is applied on the rope at some point. the rope deviated at an angle of 45o at the roof point. If the suspended mass is at equilibrium, the magnitude of the force applied is (g = 10 ms −-− 2
  1. A
    200 N
  2. B
    140 N
  3. C
    70 N
  4. D
    100 N
PreviousNext

More from Laws of Motion

  • A ball is thrown upward with an initial velocity V0 from the surface of the earth. The motion of the ball is affected by a drag force equal to m γ u2 (where m is mass of the ball, u is its instantaneous velocity and γ is a…2019 · MCQ
  • Two blocks A and B of masses mA = 1 kg and mB = 3 kg are kept on the table as shown in figure. The coefficient of friction between A and B is 0.2 and between B and the surface of the table is also 0.2. The maximum force F that can be… Includes diagram2019 · MCQ
  • A bullet of mass 20 g has an initial speed of 1 ms–1 , just before it starts penetrating a mud wall of thickness 20 cm. If the wall offers a mean resistance of 2.5 × 10–2 N, the speed of the bullet after emerging from the other side of the…2019 · MCQ
  • Two forces P and Q, of magnitude 2F and 3F, respectively, are at an angle θ with each other. If the force Q is doubled, then their resultant also gets doubled. Then, the angle θ is -2019 · MCQ
  • A block of mass 5 kg is (i) pushed in case (A) and (ii) pulled in case (B), by a force F = 20 N, making an angle of 30o with the horizontal, as shown in the figures. The coefficient of friction between the block and floor is μ = 0.2.… Includes diagram2019 · MCQ
  • A spring whose unstretched length is l has a force constant k. The spring is cut into two pieces of unstretched lengths l1 and l2 where, l1 = nl2 and n is an integer. The ratio k1/k2 of the corresponding force constant, k1 and k2 will be :2019 · MCQ
  • A block kept on a rough inclined plane, as shown in the figure, remains at rest upto a maximum force 2 N down the inclined plane. The maximum external force up the inclined plane that does not move the block is 10 N. The coefficient of… Includes diagram2019 · MCQ
  • A given object takes n times more time to slide down a 45∘ rough inclined plane as it takes to slide down a perfectly smooth 45∘ incline. The coefficient of kinetic friction between the object and the incline is :2018 · MCQ