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: A honeybucket man is carrying his load. He has a pole 2 m long with a bucket hanging from each end. The buckets have a mass of 2 kg each. The pole has a mass of 1 kg. The front bucket has 5 kg of "honey" in it, and the rear bucket has 3 kg of "honey." How far from the center of the pole is the honeybucket man's shoulder

2 Answers

1 vote

Final answer:

You need to consider torques to find the distance from the center of the honeybucket man's shoulder.

Step-by-step explanation:

To find the distance from the center of the honeybucket man's shoulder, we need to consider the torques acting on the system. Torque is the product of force and lever arm, and it causes rotation. In this case, we have two torques acting in opposite directions: one due to the weight of the front bucket and one due to the weight of the rear bucket.

The torque due to the front bucket can be calculated by multiplying the weight (mass x acceleration due to gravity) of the bucket by its distance from the shoulder. Similarly, the torque due to the rear bucket can be calculated by multiplying the weight of the bucket by its distance from the shoulder.

Since torques are opposing, their sum must be zero in order to have equilibrium. So, we can set up the equation:

Torque due to front bucket = Torque due to rear bucket

Solving this equation will give us the distance from the center of the pole to the honeybucket man's shoulder.

User Emjey
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4 votes

Answer:

Step-by-step explanation:

Using the principle of moment, assuming the rod is uniform rod of mass 1 kg

the center of mass of the rod will be at 1 m

assuming the system is in equilibrium,

clockwise moment = anticlockwise moment

let the distance of the man shoulder be x from the center of gravity and also is the pivot point

total mass of bucket + mass of honey = 2kg + 3 kg = 5 kg for rear bucket and

2kg + 5 kg = 7 kg for front bucket

( 5kg × ( 1+x)) + ( 1 kg × x) = 7 kg × ( 1 - x)

5 + 5 x + x = 7 - 7x

5 + 6x = 7 - 7x

6x + 7x = 7 - 5

13x = 2

x = 2 / 13 = 0.154 m

the honeybucket man's shoulder is 0.154 m from the center of the pole ( forward ).

User WoooHaaaa
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