Question

Which of the following statements is correct? a. The particle's centripetal acceleration in circular motion is always non-zero. b. In decelerated motion, the particle's acceleration is always negative. c. Velocity is the first derivative of acceleration with respect to time. d. Acceleration is the first derivative of position with respect to time.

          Which of the following statements is correct?
a. The particle's centripetal acceleration in circular motion is always non-zero.
b. In decelerated motion, the particle's acceleration is always negative.
c. Velocity is the first derivative of acceleration with respect to time.
d. Acceleration is the first derivative of position with respect to time.

Which of the following statements is correct?
a. The particle's centripetal acceleration in circular motion is always non-zero.
b. In decelerated motion, the particle's acceleration is always negative.
c. Velocity is the first derivative of acceleration with respect to time.
d. Acceleration is the first derivative of position with respect to time.

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Objective Physics : NEET 2020 Examination textbook Gurukul Oswal

Gurukul Oswal experts 2020 Edition

Chapter 2

Instant Answer

Solved by Expert Ashok Prajapati

10/06/2021

Step 1

- In circular motion, centripetal acceleration is required to keep the particle moving in a circle. It is given by \( a_c = \frac{v^2}{r} \), where \( v \) is the velocity and \( r \) is the radius. Since \( v \) and \( r \) are non-zero, \( a_c \) is always Show more…

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Which of the following statements is correct? a. The particle's centripetal acceleration in circular motion is always non-zero. b. In decelerated motion, the particle's acceleration is always negative. c. Velocity is the first derivative of acceleration with respect to time. d. Acceleration is the first derivative of position with respect to time.