Class 9 Physics Quiz - Complete Course
Physics Classroom Quiz App Download & e-Book PDF - 163
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MCQ: 163
Two masses 7.5 kg and 6.7 kg are attached to the ends of an inextensible string passes over a frictionless pulley. Its tension when both masses are moving vertically will be equal to
- 50 N
- 70.7 N
- 65.6 N
- 45 N
b
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