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

Circular Motion question

2023 · 29 Jan · Shift 2 · Q55
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Physics
  4. /Circular Motion
  5. /2023 · 29 Jan · Shift 2 · Q55

Circular Motion question

2023 · 29 Jan · Shift 2 · Q55

JEE MainPhysicsCircular MotionMCQ+4 / −1
An object moves at a constant speed along a circular path in a horizontal plane with center at the origin. When the object is at x=+2 mx=+2~\mathrm{m}x=+2 m, its velocity is −4j^\mathrm{ - 4\widehat j}−4j​ m/s. The object's velocity (v) and acceleration (a) at x=−2 mx=-2~\mathrm{m}x=−2 m will be
  1. A
    v=4i^ m/s,a=8j^ m/s2v=4\mathrm{\widehat i~m/s},a=8\mathrm{\widehat j~m/s^2}v=4i m/s,a=8j​ m/s2
  2. B
    v=4j^ m/s,a=8i^ m/s2v=4\mathrm{\widehat j~m/s},a=8\mathrm{\widehat i~m/s^2}v=4j​ m/s,a=8i m/s2
  3. C
    v=−4i^ m/s,a=−8j^ m/s2v=-4\mathrm{\widehat i~m/s},a=-8\mathrm{\widehat j~m/s^2}v=−4i m/s,a=−8j​ m/s2
  4. D
    v=−4j^ m/s,a=8i^ m/s2v=-4\mathrm{\widehat j~m/s},a=8\mathrm{\widehat i~m/s^2}v=−4j​ m/s,a=8i m/s2
PreviousNext

More from Circular Motion

  • A car is moving on a circular path of radius 600 m such that the magnitudes of the tangential acceleration and centripetal acceleration are equal. The time taken by the car to complete first quarter of revolution, if it is moving with an…2023 · Numerical
  • A stone tied to 180 cm long string at its end is making 28 revolutions in horizontal circle in every minute. The magnitude of acceleration of stone is x1936​ms−2. The value of x​. (Take π=722​…2023 · Numerical
  • A stone of mass 1 kg is tied to end of a massless string of length 1 m. If the breaking tension of the string is 400 N, then maximum linear velocity, the stone can have without breaking the string, while…2023 · MCQ
  • A body is moving with constant speed, in a circle of radius 10 m. The body completes one revolution in 4 s. At the end of 3rd second, the displacement of body (in m ) from its starting point is :2023 · MCQ
  • A boy ties a stone of mass 100 g to the end of a 2 m long string and whirls it around in a horizontal plane. The string can withstand the maximum tension of 80 N. If the maximum speed with which the stone can revolve is πK​…2022 · MCQ
  • A stone of mass m, tied to a string is being whirled in a vertical circle with a uniform speed. The tension in the string is2022 · MCQ
  • A fly wheel is accelerated uniformly from rest and rotates through 5 rad in the first second. The angle rotated by the fly wheel in the next second, will be :2022 · MCQ
  • A person moved from A to B on a circular path as shown in figure. If the distance travelled by him is 60 m, then the magnitude of displacement would be : (Given cos135∘=−0.7) Includes diagram2022 · MCQ