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

Work Power and Energy question

2006 · Shift 0 · Q124
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Work Power and Energy
  5. /2006 · Shift 0 · Q124

Work Power and Energy question

2006 · Shift 0 · Q124

JEE MainPhysicsWork Power and EnergyMCQ+4 / −1
A ball of mass 0.2kg0.2kg0.2kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2m0.2m0.2m while applying the force and the ball goes upto 2m2m2m height further, find the magnitude of the force. (consider g=10 m/s2g = 10\,m/{s^2}g=10m/s2).
  1. A
    4N4N4N
  2. B
    16N16N16N
  3. C
    20N20N20N
  4. D
    22N22N22N
PreviousNext

More from Work Power and Energy

  • A particle of mass 100g is thrown vertically upwards with a speed of 5m/s. The work done by the force of gravity during the time the particle goes up is2006 · MCQ
  • The potential energy of a 1kg particle free to move along the x-axis is given by V(x)=(4x4​−2x2​)J. The total mechanical energy of the particle is 2J. Then, the maximum…2006 · MCQ
  • A bullet fired into a fixed target loses half of its velocity after penetrating 3cm. How much further it will penetrate before coming to rest assuming that it faces constant resistance to motion?2005 · MCQ
  • The upper half of an inclined plane with inclination ϕ is perfectly smooth while the lower half is rough. A body starting from rest at the top will again come to rest at the bottom if the coefficient of friction for the lower half is…2005 · MCQ
  • A body of mass m is accelerated uniformly from rest to a speed v in a time T. The instantaneous power delivered to the body as a function of time is given by2005 · MCQ
  • A spherical ball of mass 20kg is stationary at the top of a hill of height 100m. It rolls down a smooth surface to the ground, then climbs up another hill of height 30m and finally rolls down to a horizontal base at a height of 20m…2005 · MCQ
  • A particle moves in a straight line with retardation proportional to its displacement. Its loss of kinetic energy for any displacement x is proportional to2004 · MCQ
  • A uniform chain of length 2m is kept on a table such that a length of 60cm hangs freely from the edge of the table. The total mass of the chain is 4kg. What is the work done in pulling the entire chain on the table?2004 · MCQ