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Motion in Two Dimension JEE physics - Motion in Two Dimension

CBSE - STD 12 Science - JEE physics (CBSE - English Medium). 283 questions in this chapter.

Question types

Motion in Two Dimension question types

283 questions across 2 question groups — pick any mix to generate a JEE physics paper with step-by-step answer keys.

283
Questions
2
Question groups
5
Question types
Sample Questions

Motion in Two Dimension questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1Assertion & Reason1 Mark
Assertion : A coin is placed on phonogram turn table. The motor is started, coin moves along the moving table.
Reason : The rotating table is providing necessary centripetal force to the coin.
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Q 2Assertion & Reason1 Mark
Assertion : Two similar trains are moving along the equatorial line with the same speed but in opposite direction. They will exert equal pressure on the rails.
Reason : In uniform circular motion the magnitude of acceleration remains constant but the direction continuously changes.
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Q 3Assertion & Reason1 Mark
Assertion : Cream gets separated out of milk when it is churned, it is due to gravitational force.
Reason : In circular motion gravitational force is equal to centripetal force.
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Q 4Assertion & Reason1 Mark
Assertion : Improper banking of roads causes wear and tear of tyres.
Reason : The necessary centripetal force is provided by the force of friction between the tyres and the road.
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Q 5Assertion & Reason1 Mark
Assertion : A safe turn by a cyclist should neither be fast nor sharp.
Reason : The bending angle from the vertical would decrease with increase in velocity.
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Q 6MCQ1 Mark
A solid disc rolls clockwise without slipping over a horizontal path with a constant speed $U$. Then the magnitude of the velocities of points $A, B$ and $C$ (see figure) with respect to a standing observer are respectively Image
  • A
    $v, v$ and $v$
  • ✓
    $2 v, \sqrt{2} v$ and zero
  • C
    $2 v, 2 v$ and zero
  • D
    $2 v, \sqrt{2} v$ and $\sqrt{2} v$

Answer: B.

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Q 7MCQ1 Mark
A hollow sphere has radius $6.4 m$. Minimum velocity required by a motor cyclist at bottom to complete the circle will be
  • A
    $17.7 m / s$
  • B
    $10.2 m / s$
  • C
    $12.4 m / s$
  • ✓
    $16.0 m / s$

Answer: D.

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Q 8MCQ1 Mark
The angular velocity of a particle rotating in a circular orbit 100 times per minute is
  • A
    $1.66 rad / s$
  • B
    $10.47 rad / s$
  • C
    $10.47 deg / s$
  • ✓
    $60 deg / s$

Answer: D.

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Q 9MCQ1 Mark
A body of mass $100 g$ is rotating in a circular path of radius $r$ with constant velocity. The work done in one complete revolution is
  • A
    $100 r J$
  • B
    $(r / 100) J$
  • C
    $(100 / r) J$
  • ✓
    Zero

Answer: D.

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Q 10MCQ1 Mark
A body moves with constant angular velocity on a circle. Magnitude of angular acceleration
  • A
    $r Z$
  • ✓
    Constant
  • C
    Zero
  • D
    None of the above

Answer: B.

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