Physics
Which law is also called law of inertia ?

Newton first law
Newton second law
Newton third law
All of above

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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
No, since the colliding car would then ram into the occupants and kill them
Yes, since the offending car should get damaged and pay for the mistake

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