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What effort force must be applied to lift an 864 N load with a fixed pulley? A.432 N B.864 N C.1728N D.3456N
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1 vote
What effort force must be applied to lift an 864 N load with a fixed pulley?

A.432 N
B.864 N
C.1728N
D.3456N

User Theodore Brown
by
6.4k points

1 Answer

4 votes

Answer:

864N (B)

Step-by-step explanation:

Using newtons first law of motion: ∑F = 0

F(gravity) - F(applied) = 0

F(gravity) = F(applied) = 864N

User Jiri Tousek
by
6.7k points
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