9.81 m s2 meaning - Search
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    https://en.wikipedia.org › wiki › Standard_gravity

    Standard gravity - Wikipedia

    What is the value of m/s2 on Earth?
    Its value is 9.8 m/s2 on Earth. That is to say, the acceleration of gravity on the surface of the earth at sea level is 9.8 m/s2. What is the value of g? The acceleration due to gravity on Earth or the value of g on Earth is 9.8 m/s2. This implies that, on Earth, the velocity of an object under free fall will increase by 9.8 every second.
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    Why is 9.81 the accepted value for gravity? - Physics …

    To calculate g force from velocity: Subtract initial velocity from final velocity. Divide the difference by time. Divide the resultant by the acceleration due to gravity, 9.81 m/s², to obtain the g force value.

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    Universal Gravity is a theory, not a fact, regarding the natural law of attraction. This material should be approached with an open mind, studied carefully, and critically considered. The Universal Theory of Gravity is often taught in schools as a fact, when in fact it is not even a good theory.

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    The value of G is (6.6743 ± 0.00015) × 10−11 m3 kg−1 s−2. It must be pointed out that G occupies a rather anomalous position among the other constants of physics.

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    −g is the free-fall acceleration. If you are talking about the acceleration of an object, such as when using kinematics involving a projectile or falling object, it is always −9.8m/s2 to indicate that the object is falling downward at a rate equal to g .

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    Gravity causes an object to fall toward the ground at a faster and faster velocity the longer the object falls. In fact, its velocity increases by 9.8 m/s2, so by 1 second after an object starts falling, its velocity is 9.8 m/s.

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