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A boy pulls a nail from the wall with a string tied to a nail. The string is inclined at angle 60° to the wall. If the tension in the spring is 4N, what is the effective force used in pulling the nail?
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A boy pulls a nail from the wall with a string tied to a nail. The string is inclined at angle 60° to the wall. If the tension in the spring is 4N, what is the effective force used in pulling the nail? ​

User Melis
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1 Answer

7 votes

Answer:

F = 4 x sin 60o

F = 4 x √3/2 = 2√3 N

User Jacob Tomlinson
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