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

2√3 N

4 N

4√3 N

8 N

2 N

Correct Option

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11 years ago

jamb don't give scientific calculator, learn you trigonometry well.

11 years ago

darkypeal...u r d one dat got it wrong...4×sin60=4√3/2=2√3

12 years ago

wrng calculatn...4 x sin60, shud gve 3.4641.

Danlogin

18th July, 2026

Computer

2 comments

ugochukwu70013

20th July, 2026

Chemistry

1 comments

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