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ii.
efloor is 250 N. If the weight of, a er is 300 N and the
A uniform ladder of !
with the force on the floor is 250 N. If the weight
m leans against a smooth wall
floor is rough, calculate the frictional force at the base of the ladder.
UTM
shown in Figure 5
of the ladder is 300 N and the
-UTM
3 UT'
& UTM
3 UTM
& UT'
5 UTM
S UTM
250 N
UT
40 0
UTM
UTM
Figure 5
UTM
10
15

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