An 83.33 kg crate is placed on a level s

Question

An 83.33 kg crate is placed on a level sur- face. An applied force of 500 N at 36.9° above the horizontal moves the block at constant speed across the floor. Find the normal force, force of friction and the coefficient of friction.

Kunduz · Accepted Answer

981
N
500 sin 36.90
& SooN
= 36.90
m = 83.33 kg
500 Cos 3619
fo=UN
ng = 83.33g
For being
Nt -
N+ soo Sin 36:3° - 83.338
IN=517.25
N:
constant velocity (a=0)
so that Inert in Horizontal direction
will be zero.
friction force = 500 Cos36.5
friction force = 399,84N
3
for
7
= 399.84 N
UN
(517.25)=399-84
u=0.773