An object of mass 2.5 kg falls vertically through the air with a downwards acceleration of

PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics

Problem

4.81 \text{ ms}^{-2}

. Taking

g = 9.81 \text{ ms}^{-2}

, the size of the air resistance force acting on the object is (1) Zero. (2) 5.81 N. (3) 12.5 N. (4) 24.5 N.