PHYSICS · Single correct · AP · Physics 1: Algebra-based · Force and Translational Dynamics · Force and Translational Dynamics
Problem
A 4kg block slides on a rough horizontal table. If the coefficient of kinetic friction between the block and the table is 0.25 (take g=10m s−2), the magnitude of the kinetic friction acting on the block is
(a) 25N
(b) 10N
(c) 40N
(d) 2.5N