Question

How much force is required to lift the 90N weight : where the effort (Force) arm length is 8m and load arm length is 3m. *​

Answer 1

Effort = 240 N

Step-by-step explanation:

Given: Load = 90N. Effort (Force) arm length is 8m and load arm length is 3m.

Find: Amount of force required.

Solution:

We know that F1 / A1 = F2 / A2

90 / 3 = Effort / 8

Therefore effort = 90 * 8 / 3 = 240 N

Answer 2

Answer:

Hence effort force should be greater than 33.75N

Step-by-step explanation:

This question is about finding th moment of force

It is a force that is required to rotate an object about a specific point or axis

Moment = Force x distance

Now as per given information, we have

F1 x D1 = F2 x D2

90 x 3 = F2 x 8

F2 = 33.75 N

To lift the weight, the lifting moment should be greater than load weight

Hence effort force should be greater than 33.75N

Find more information about Moment of force

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