For Questions 4-8, calculate (a) the Mechanical Advantage MA, (b) the effort required to lift the load, and (c) the quantity of rope pulled to raise the load the given distance.

a
Effort
E
b
С
490 N lifted 3 inches
5.
4 meters
b
1960 N
lifted 1
meter
b
Effort
150 lbs
lifed 12 ft

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Explanation:

all of the answers are correct.

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explanation:

here we know that ball will drop down by total distance 3.2 m

so here we know that

now using kinematics

now in the same time it will cover horizontal distance of 0.75 m

so speed of the ball will be