A door 1.6 m wide requires a force of 1 ...

A door 1.6 m wide requires a force of 1 N to be applied at the free and to open or close it. The force that is required at a point 0.4 m distant from the hinges for opening or closing the door is

1.2 N

3.6 N

2.4 N

4 N

Text Solution

Verified by Experts

The correct Answer is:

`tau=1.6xx1=1.6Nm`
`F=(tau)/d=1.6/0.4=4N`

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