kinematics of circular motion questions with solutions

Showing 1–10 of 86 questions

• A/ReasyCircular Motionkinematics of circular motion

  Evaluate the following statements.

  Assertion

  Assertion (A): In non-uniform circular motion, the net acceleration need not point toward the centre.

  Reason

  Reason (R): In addition to radial acceleration, a particle may also have tangential acceleration.

  Options

  • Option A

    Both A and R are true and R is the correct explanation of A.

  • Option B

    Both A and R are true but R is NOT the correct explanation of A.

  • Option C

    A is true but R is false.

  • Option D

    A is false but R is true.

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• MCQmediumCircular Motionkinematics of circular motion

  A clock has 75 cm, 60 cm long second hand and minute hand respectively. In 30 minutes duration the tip of second hand will travel x distance more than the tip of minute hand. The value of x in meter is nearly (Take π = 3.14) :

  Options

  • Option A

    139.4

  • Option B

    140.5

  • Option C

    220.0

  • Option D

    118.9

  Check answerShow answer

  JEE Mains 2024 08 Apr Morning Shift

  Open question & full solution →
• NumericmediumCircular Motionkinematics of circular motion

  A stone tied to 180 cm long string at its end is making 28 revolutions in a horizontal circle every minute. The magnitude of acceleration of stone is 1936/x m s⁻². The value of x is ______. [Take π = 22/7]

  Your answer

  Check answerShow answer

  JEE Mains30 January 2023Shift 2Evening Shift

  Open question & full solution →
• MCQeasyCircular Motionkinematics of circular motion

  Two pointers rotate uniformly in the same direction. Pointer A completes one revolution in 20 s and pointer B in 30 s. Starting together, they next coincide after:

  Options

  • Option A

    30 s

  • Option B

    40 s

  • Option C

    60 s

  • Option D

    120 s

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• Multi-correctmediumCircular Motionkinematics of circular motion

  A particle is moving counterclockwise on a circle but its speed is decreasing. Which statements are correct?

  Select all that apply

  • Option A

    Angular velocity is counterclockwise

  • Option B

    Angular acceleration is clockwise

  • Option C

    Tangential acceleration is opposite to velocity

  • Option D

    Radial acceleration is opposite to velocity

  Check answerShow answer

  JEE MainsNEETJEE Advanced

  Open question & full solution →
• MCQeasyCircular Motionkinematics of circular motion

  The second's hand of a watch has length 6 cm. Speed of end point and magnitude of difference of velocities at two perpendicular positions will be

  Options

  • Option A

    2π mm/s and 0

  • Option B

    2√2π mm/s and 4.44 mm/s

  • Option C

    2√2π mm/s and 2π mm/s

  • Option D

    2π mm/s and 2√2π mm/s

  Check answerShow answer

  JEE MainsNEET

  Open question & full solution →
• Multi-correctmediumCircular Motionkinematics of circular motion

  The second-hand of a tower clock is 1.00 m long. Which of the following is/are CORRECT statement(s).

  Select all that apply

  • Option A

    Linear speed of the tip is 10π/3 cm/s

  • Option B

    Angular speed of the hand is π/30 rad/s

  • Option C

    Average acceleration of the tip in 15 minutes is zero

  • Option D

    Instantaneous acceleration of the tip is π²/9 cm/s²

  Check answerShow answer

  JEE Advanced

  Open question & full solution →
• Multi-correctmediumCircular Motionkinematics of circular motion

  A particle moves on the x-axis with v²+x²=1, where x is in metres and v in m/s. From the shown v-x graph, choose the correct statements.

  

  Select all that apply

  • Option A

    For x>0, acceleration is negative

  • Option B

    For x<0, acceleration is positive

  • Option C

    At Q, |a|=1/√2 m/s²

  • Option D

    At S, acceleration is infinite

  Check answerShow answer

  JEE Advanced

  Open question & full solution →
• MCQeasyCircular Motionkinematics of circular motion

  A point P moves counter-clockwise on a circular path of radius 20 m. It sweeps arc length s=t²+5, where s is in metres and t in seconds. Find the magnitude of acceleration at t=5√(3/10) s.

  

  Options

  • Option A

    2 m/s²

  • Option B

    1.5 m/s²

  • Option C

    2.5 m/s²

  • Option D

    3 m/s²

  Check answerShow answer

  JEE MainsNEET

  Open question & full solution →
• MCQmediumCircular Motionkinematics of circular motion

  A particle moves on a circular path of radius 4 m with speed 20 m/s. At an instant, its acceleration makes 37° with the inward radial direction. Find (i) the rate of increase of speed and (ii) the magnitude of acceleration.

  Options

  • Option A

    75 m/s² and 125 m/s²

  • Option B

    100 m/s² and 125 m/s²

  • Option C

    75 m/s² and 100 m/s²

  • Option D

    125 m/s² and 75 m/s²

  Check answerShow answer

  JEE Advanced

  Open question & full solution →