In Physics, 'work' has a very clear definition:
It's (strength of a force) times (distance through which the force acts).
'Work' has the units of Energy.
If you push against a shopping cart with 30 newtons of force, and
you keep pushing while the cart moves 4 meters, then you have
done (30 x 4) = 120 newton-meters of work = 120 "Joules".
New evidence may support the theory -> then nothing
New evidence conflicts with the theory => rework theory / create a new one
Answer:
<em>Digital clock is the most precised one</em>
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Explanation:
