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NEET UG Motion in a Plane — practice questions — page 2

Explore 76 free Motion in a Plane questions in NEET UG Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Motion in a Plane questions and exercises with answers

Showing questions 31–60 of 76.

As per your syllabus, the horizontal and vertical velocities at the moment of impact depend on which factors?Read the answer and worked solution →As per your syllabus, in UNIFORM circular motion, what stays constant and what changes?Read the answer and worked solution →As per your syllabus, eqn 3.43, the magnitude of the CENTRIPETAL acceleration in UCM is which?Read the answer and worked solution →As per your syllabus, the direction of the centripetal acceleration vector is always which?Read the answer and worked solution →As per your syllabus, the relation between linear speed v, angular speed ω, and radius R in UCM is which?Read the answer and worked solution →As per your syllabus, eqn 3.46, the centripetal acceleration expressed via angular speed ω is which?Read the answer and worked solution →As per your syllabus, eqn 3.47, the relation between angular speed ω, period T, and frequency ν is which?Read the answer and worked solution →As per your syllabus, eqn 3.48, the centripetal acceleration expressed via FREQUENCY ν is which?Read the answer and worked solution →As per your syllabus, the centripetal acceleration vector in UCM is which kind of vector?Read the answer and worked solution →As per your syllabus, the direction of the VELOCITY vector at any point on the circular path in UCM is which?Read the answer and worked solution →As per your syllabus, an insect on a 12 cm circular groove completes 7 revolutions in 100 s. Its angular speed is closest to which value?Read the answer and worked solution →As per your syllabus, the centripetal acceleration of a particle in UCM depends linearly on which of these quantities?Read the answer and worked solution →As per your syllabus, historical note, the analysis of centripetal acceleration was first published in 1673 by which scientist?Read the answer and worked solution →A ceiling fan rotates at $120$ rpm. Its angular speed is approximately:Read the answer and worked solution →NEET · Physics · Projectile Motion — Gap FillRead the answer and worked solution →NEET · Physics · Uniform or Non-uniform Circular MotionRead the answer and worked solution →Force has both size and direction and adds by the triangle law. It is a:Read the answer and worked solution →Which set contains only vector quantities?Read the answer and worked solution →You walk from P to Q by a winding road. Your displacement is:Read the answer and worked solution →Compared with the path length, the magnitude of displacement is:Read the answer and worked solution →Two vectors have the same magnitude and the same direction. They are:Read the answer and worked solution →You slide a vector parallel to itself. The vector:Read the answer and worked solution →Multiplying vector A by 2 gives a vector that is:Read the answer and worked solution →Placing the tail of B at the head of A and joining tail of A to head of B is the:Read the answer and worked solution →Adding A and -A gives a vector of zero magnitude called the:Read the answer and worked solution →The direction of a null vector:Read the answer and worked solution →A kicked football flying through the air is an example of a:Read the answer and worked solution →A projectile's horizontal motion has:Read the answer and worked solution →Who first said the horizontal and vertical parts of projectile motion are independent?Read the answer and worked solution →While a ball is in flight, ignoring air, its acceleration points:Read the answer and worked solution →

Worked practice questions

As per your syllabus, the horizontal and vertical velocities at the moment of impact depend on which factors?

  1. Both shrink to zero at impact
  2. v_x stays v₀ ; v_y = g·t
  3. Only on cliff height h
  4. Only on the launch angle θ
Show answer and solution

Correct answer: B. v_x stays v₀ ; v_y = g·t

syllabus Ex 3.7: x-component is unchanged (a_x = 0) y-component grows as gt downward. Independent components.

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As per your syllabus, in UNIFORM circular motion, what stays constant and what changes?

  1. Both v and direction constant
  2. Direction constant; speed changes
  3. Speed constant; direction of v changes
  4. Both v and direction change
Show answer and solution

Correct answer: C. Speed constant; direction of v changes

Your syllabus: 'uniform' means speed |v| is constant direction of v continually changes (tangent to circle).

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As per your syllabus, eqn 3.43, the magnitude of the CENTRIPETAL acceleration in UCM is which?

  1. v² / R
  2. v / R
  3. v² / R²
  4. v R
Show answer and solution

Correct answer: A. v² / R

syllabus eqn 3.43: a_c = v²/R. Always directed towards the centre.

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