Physics
To open a door easily, the handle should be fixed

Near the hinges
In the middle
Away from mid-point opposite to hinges
None of these

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Physics
The Hooke's law is valid for

Entire elastic region of the stress strain curve
Only proportional region of the stress strain curve
Entire stress strain curve
Elastic as well as plastic region of the stress strain curve

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Physics
Should cars have bumpers that collapse under impact?

No, since it would be very expensive to get the car repaired
Yes, since they help to absorb the impact of a collision and keep the occupants safe
Yes, since the offending car should get damaged and pay for the mistake
No, since the colliding car would then ram into the occupants and kill them

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