Question

A student is a spring scale attached to a textbook to compare the static and kinetic friction between the textbook and the top of a lab table if the scale measures 1580 g by the student is pulling the sliding back along the table which reading on the scale could’ve been possible at the moment the student overcame the static friction
A- 1860g
B-1140g
C-820g
D-1580g

5 years ago