To calculate the strain in the cord at the designated location when four weights are linked together and suspended from the ceiling, we need to consider the combined weight of the four weights and the force exerted on the cord.
Given:
Four weights, each weighing 60 pounds
Total weight = 4 * 60 pounds = 240 pounds
Now, we need to find the strain in the cord. The strain is directly proportional to the force exerted on it. When an object is suspended, the tension in the cord supporting it is equal to the weight of the object.
So, the strain in the cord will be equal to the total weight of the four weights, which is 240 pounds.
Therefore, the correct answer is 240 pounds, not 60 pounds. It seems there might have been a mistake in the provided answer.
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