Question 3
A nail is pulled from a wall with a string tied to the nail. If the string is inclined at an angle of 30° to the wall and the tension in the string is 50N, the effective force used in pulling the nail is:
Objective
Question details
- Exam body
- OAU
- Subject
- Physics
- Year
- 2007/2007
- Question no.
- #3
- Type
- Objective
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