An object moves counterclockwise in a horizontal circle while its speed steadily increases
PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics
Problem
An object moves counterclockwise in a horizontal circle while its speed steadily increases. At the instant the object is located at the easternmost point of the circle and is moving due north, which of the following best describes the direction of its net acceleration?
(a) Directly north, in the direction of motion
(b) Northwest, midway between north and west
(c) Directly west, toward the center of the circle
(d) Northeast, away from the center of the circle