An object moves in a circular path with constant speed v. Which of the following statements is true concerning the object?
Select one:
a. Its linear acceleration is constant but its linear velocity is changing.
b. Its linear velocity and linear acceleration remain constant.
c. Its linear velocity is constant, but its linear acceleration is changing.
d. Both its linear velocity and linear acceleration are changing.

Question

bbleeker3473 bbleeker3473

02-11-2019
Physics

contestada

An object moves in a circular path with constant speed v. Which of the following statements is true concerning the object?
Select one:
a. Its linear acceleration is constant but its linear velocity is changing.
b. Its linear velocity and linear acceleration remain constant.
c. Its linear velocity is constant, but its linear acceleration is changing.
d. Both its linear velocity and linear acceleration are changing.

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nandhini123 nandhini123 · Answer 1 · 2019-11-11T10:33:18+01:00

An object moves in a circular path with constant speed v "Both its linear velocity and linear acceleration are changing."

Explanation:

When an object is moving in circular paths, the velocity always changes due to the change in the direction of the object.

Velocity is a vector quantity. When the velocity changes, the acceleration changes as [tex]{\bold\text {acceleration}=\frac{\text {change in velocity}}{\text {time}}}[/tex]

Therefore, even the acceleration does not remain constant. So, both its linear velocity and linear acceleration changes when in a circular motion.