3.
steel of plate of area A= 0.2m² is placed
film of lubricant of thickness d= 0.4mm sprayed
the flat horizontal surface of a table .When connected via
olde
cord that
possess
a
massless and frictionless pulley
10g, the steel plate is found to move with a constant speed
r =0.05mls. Find the viscosity of the
Lubricant oil