equilibrium problem and newton first law questions with solutions

Showing 1–6 of 6 questions

• MCQeasyNewtons law of motion and Frictionequilibrium problem and newton first law

  A body of weight 200 N is suspended form a tree branch thought a chain of mass 10 kg. The branch pulls the chain by a force equal to (if g = 10 m/s²):

  Options

  • Option A

    150 N

  • Option B

    300 N

  • Option C

    200 N

  • Option D

    100 N

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  JEE Mains 2024 06 Apr Evening Shift

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• MCQmediumNewtons law of motion and Frictionequilibrium problem and newton first law

  A flexible chain of mass m hangs between two fixed points at the same level. The inclination of the chain with the horizontal at the two points of support is 30°. Considering the equilibrium of each half of the chain, the tension of the chain at the lowest point is _____.

  Options

  • Option A

    √3mg/2

  • Option B

    mg/2

  • Option C

    mg

  • Option D

    √3mg

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• MCQmediumNewtons law of motion and Frictionequilibrium problem and newton first law

  A body of mass 1 kg is suspended by two strings as shown in the original figure. The left and right strings make angles 60° and 30° with the horizontal respectively. If g = 10 m/s², the magnitudes of tensions T₁ and T₂ respectively are:

  

  Options

  • Option A

    5√3 N, 5 N

  • Option B

    5 N, 5√3 N

  • Option C

    5 N, 5 N

  • Option D

    5√3 N, 5√3 N

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• MCQmediumNewtons law of motion and Frictionequilibrium problem and newton first law

  A body of mass m is suspended by two strings making angles θ₁ and θ₂ with the horizontal ceiling. The corresponding tensions are T₁ and T₂, and T₁ = √3 T₂. Which option is correct?

  Options

  • Option A

    θ₁ = 60°, θ₂ = 30°, with T₂ = mg/2

  • Option B

    θ₁ = 30°, θ₂ = 60°, with T₂ = 4mg/5

  • Option C

    θ₁ = 30°, θ₂ = 60°, with T₂ = 3mg/4

  • Option D

    θ₁ = 45°, θ₂ = 45°, with T₂ = 3mg/4

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• MCQeasyNewtons law of motion and Frictionequilibrium problem and newton first law

  Three forces F₁ = 10 N, F₂ = 8 N and F₃ = 6 N act on a 5 kg particle. F₂ and F₃ are perpendicular and the particle is initially at rest under all three forces. If F₁ is removed, the acceleration is:

  Options

  • Option A

    2 m s⁻²

  • Option B

    0.5 m s⁻²

  • Option C

    4.8 m s⁻²

  • Option D

    7 m s⁻²

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• MCQeasyNewtons law of motion and Frictionequilibrium problem and newton first law

  A 1 kg mass is suspended from the ceiling by a rope of length 4m. A horizontal force 'F' is applied at the mid point of the rope so that the rope makes an angle of 45° with respect to the vertical axis as shown in figure. The magnitude of F is :

  

  Options

  • Option A

    10/√2 N

  • Option B

    1 N

  • Option C

    1/(10√2) N

  • Option D

    10 N

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