One of the most amusing things a person can experience is that in certain parts of the world a still car on neutral going uphill when its brakes are released. Such occurrences are even broadcast on TV. Can this really happen or is it a bad eyesight? How can you verify if a road is really uphill or downhill?

ch1-3: problem: One of the most amusing things a person can experience is that in certain parts of the world a still car on neutral going uphill when its brakes are released. Such occurrences are even broadcast on TV. Can this really happen or is it a bad eyesight? How can you verify if a road is really uphill or downhill?

 

 

answer: a car can not go uphill without the engine running because that require energy
and if that will happen it will violates the laws of physics. on TVs shows its
unreal tricks and not true. using a spirit level or any level meters we can verify
the steepness of a road.

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