A wooden crate is pulled across a level warehouse floor at constant speed by a…

PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion

Problem

A wooden crate is pulled across a level warehouse floor at constant speed by a

50\,\text{N}

horizontal force. The crate’s weight is

200\,\text{N}

. Which value is closest to the coefficient of kinetic friction between the crate and the floor? (a)

0.20

(b) Cannot be determined without knowing the crate’s acceleration (c)

0.25

(d)

0.33