Question

How many variables are required to define the motion of a body in a plane?

(a) 1

(b) 2

(c) 3

(d) 4

The question was posed to me in an online interview.

I'm obligated to ask this question of Motion in a Plane in division Motion in a Plane of Physics – Class 11

Answer 1

The correct option is (b) 2

Easy explanation: The motion of a body in a plane can be defined by using two variables. These are the two defining axes of the Coordinate system, x and y. Once we have the displacement as a function of these to variables, any other quantity can be found out.