Question

A block of weight 5000 N is pushed up a slope by a force of 250 N. Assume there is no friction. Calculate:
a) the actual mechanical advantage
b) the velocity ratio
c) the length of the slope if the height of the slope is 10 m

Answer 1

The actual mechanical advantage, the velocity ratio, and the length of the slope if the height of the slope is mathematically given as

• A=20
• VR=0.05
• x=20m

What are the actual mechanical advantage, the velocity ratio, and the length of the slope if the height of the slope is 10 m?

Question Parameters:

A block of weight 5000 N is pushed up a slope by a force of 250 N.

Generally, the equation for the actual mechanical advantage  is mathematically given as

A=Fout/Fin

A=5000/250

A=20

b)

the velocity ratio is given by the distance moved by the effort divided by the distance moved by the load

Therefore

VR=250/5000

VR=0.05

c)

the length of the slope if the height of the slope is 10 m

Assume the slope is at an angle of 30

Hence

sin 30=10/x

x=20m

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