PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
A block rests on a smooth inclined plane. As the angle of inclination θ is gradually increased from 0∘ to 90∘, the normal reaction acting on the block will
(a) increase continuously
(b) remain constant
(c) decrease continuously
(d) first increase then decrease