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A crate is moved by pulling the rope attached to it. It moves 10 ...

9th Class Punjab Board Exams Quizzes MCQs Quizzes Punjab Physics Online 9th Class Test Lesson 6 Work and Energy

Question:
A crate is moved by pulling the rope attached to it. It moves 10 m on straight horizontal road by a force of 100 N. How much work will be done when the rope is making an angle of 30 ̊ with the road?

Option A):
5 Joules
Option B):
707 Joules
Option C):
86 Joules
Option D):
866 Joules

Correct Answer is Option D):
866 Joules