question based on work questions with solutions

Showing 1–10 of 60 questions

• MCQmediumWork , Power and Energyquestion based on work

  A particle moves along x=y from (0,0) to (2,2) in the force field $\overrightarrow{F}$=x³y î+y² ĵ. The work done is:

  Options

  • Option A

    173/15

  • Option B

    136/15

  • Option C

    139/17

  • Option D

    171/17

  Check answerShow answer

  JEE Mains 2025 23 Jan Morning Shift

  Open question & full solution →
• NumericmediumWork , Power and Energyquestion based on work

  Position-time graph of a particle of mass 2 kg is shown in figure. Total work done on the particle from t = 0 to t = 4s is

  

  Your answer

  Check answerShow answer

  JEE Advanced

  Open question & full solution →
• NumericmediumWork , Power and Energyquestion based on work

  A particle moves along the x-axis from x = 0 to x = 4 m under a position-dependent force F(x) = 3x² - 4x + 5 N. If the work done is N joule, find N.

  Your answer

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• MCQmediumWork , Power and Energyquestion based on work

  A particle moves along the positive x-axis under a force F(x) = A/x², where A > 0. It moves from x = a to x = 2a. Work done is:

  Options

  • Option A

    A/a

  • Option B

    A/(2a)

  • Option C

    -A/(2a)

  • Option D

    3A/(2a)

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• IntegereasyWork , Power and Energyquestion based on work

  A force F = (2 + 3x) î N acts along the x-direction. Find the work done from x = 0 to x = 4 m.

  Your answer

  Check answerShow answer

  JEE Mains11 April 2023Shift 1Morning Shift

  Open question & full solution →
• Multi-correctmediumWork , Power and Energyquestion based on work

  A block slides down a rough fixed incline. During a downward displacement along the incline, which statements are necessarily correct?

  Select all that apply

  • Option A

    Gravity does positive work

  • Option B

    Normal reaction does zero work

  • Option C

    Kinetic friction does negative work

  • Option D

    Net work must be positive

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• MCQmediumWork , Power and Energyquestion based on work

  A force $\vec{F}$=(2î+bĵ+k̂) N acts through a displacement $\vec{d}$=(î+ĵ+k̂) m. Find b if the work done by the force is zero.

  Options

  • Option A

    0

  • Option B

    +3

  • Option C

    -3

  • Option D

    -1

  Check answerShow answer

  JEE Mains 2025 22 Jan Evening Shift

  Open question & full solution →
• MCQmediumWork , Power and Energyquestion based on work

  A spring of force constant 800 N/m has an extension of 5 cm. The work done in extending it from 5cm to 15 cm is-

  Options

  • Option A

    16 J

  • Option B

    8 J

  • Option C

    32 J

  • Option D

    24 J

  Check answerShow answer

  JEE Mains

  Open question & full solution →
• MCQmediumWork , Power and Energyquestion based on work

  A body is constrained to move along the y-axis and force F=(-2î+15ĵ+6k̂) N acts on it. Find the work for displacement 10ĵ m.

  Options

  • Option A

    150 J

  • Option B

    20 J

  • Option C

    190 J

  • Option D

    160 J

  Check answerShow answer

  AIPMT 1994NEET

  Open question & full solution →
• Multi-correctmediumWork , Power and Energyquestion based on work

  A particle moves from P₁ to P₂ along a smooth quarter-circle of radius 6 m under forces $\vec{F}$₁,$\vec{F}$₂,$\vec{F}$₃. F₁ has constant magnitude 20 N and always points toward P₂; $\vec{F}_2$ is always horizontal with magnitude 30 N;$\vec{F}_3$

  is tangential with magnitude 15 N. Select the correct statements.

  Select all that apply

  • Option A

    Work by $\vec{F}_1$ is 120 J

  • Option B

    Work by $\vec{F}_2$ is 180 J

  • Option C

    Work by $\vec{F}_3$ is 45π J

  • Option D

    $\vec{F}_1$ is conservative

  Check answerShow answer

  JEE Advanced

  Open question & full solution →