Question:

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A) : When a cyclist doubles his speed of turning, the chance of his skidding becomes nearly four times. 

Reason (R) : When the speed of the vehicle increases, the angle of bending also increases.

In the light of the above statements, choose the correct answer from the options given below

Updated On: Apr 3, 2023
  • If both assertion and reason are true and reason is the correct explanation of assertion
  • If both assertion and reason are true but reason is not the correct explanation of assertion
  • If assertion is true but reason is false
  • If both assertion and reason are false
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The Correct Option is A

Solution and Explanation

Answer (a) If both assertion and reason are true and reason is the correct explanation of assertion

Assertion (A) : When a cyclist doubles his speed of turning, the chance of his skidding becomes nearly four times. (correct)

Reason (R) : When the speed of the vehicle increases, the angle of bending also increases. (True and also correct explanation)

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Concepts Used:

Motion in a Plane

It is a vector quantity. A vector quantity is a quantity having both magnitude and direction. Speed is a scalar quantity and it is a quantity having a magnitude only. Motion in a plane is also known as motion in two dimensions. 

Equations of Plane Motion

The equations of motion in a straight line are:

v=u+at

s=ut+½ at2

v2-u2=2as

Where,

  • v = final velocity of the particle
  • u = initial velocity of the particle
  • s = displacement of the particle
  • a = acceleration of the particle
  • t = the time interval in which the particle is in consideration