Question

Example 3 A man uses a 2.5 m long crowbar to raise a load
of 1000 N. Find: a. the effort needed to lift the load and b. the
mechanical advantage of the crowbar. The fulcrum is located at
2 m from the effort end.​

Answer 1

Answer:

effort-250 N and ma-4

Step-by-step explanation:

please refer to the attachment given above

Answer 2

Answer:

a = 250

b= 4

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