A door 1.6 m wide requires a force of 1 N to be applied at the free end to open or close…
Physics · NEET · NTA Exams — Rotational motion
A door 1.6 m wide requires a force of 1 N to be applied at the free end to open or close it. The force that is required at a point 0.4 m distance from the hinges for opening or closing the door is
- 1.2 N
- 3.6 N
- 2.4 N
- 4 N
Answer
(D) 4 N
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