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g, the force due to gravity, does not vary according to longitude. It does vary according to the mass of material below that location. Thus, a site close to a mountain will have its gravity modified by the mass of the root of the mountain. If the mountain were made of sedimentary rock, the g would be lower. If the mountain were made of basalt, then g would be slightly greater. There are gravity maps available of this quantity for the whole world. In my country, g varies by about 1 part per thousand - which is about the legal tolerance allowed for mass measurements in trade, so the problem is not trivial.

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What is number of g-force that would kill a human?

The exact number of g-force that would be fatal to a human depends on various factors such as the duration of exposure and individual health conditions. Generally, sustained exposure to more than 5 g-force can be fatal to most humans.


Does the value of a g and G vary.how?

The value of universal gravitational Constant(G) doesn't change it is constant at any place in the universe, it's value is 6.67259 x 10-11Nm2/Kg2 But the value of g varies from from place to place on earth,planet to planet and star to star because g=GM/R2 As G is constant g depends on M=mass of planet,R=radius of planet,so g varies with the change in M and R.


What is the effect of changing length or mass of the pendulum on the value of g?

Changing the length or mass of a pendulum does not affect the value of acceleration due to gravity (g). The period of a pendulum depends on the length of the pendulum and not on its mass. The formula for the period of a pendulum is T = 2π√(L/g), where T is the period, L is the length of the pendulum, and g is the acceleration due to gravity.


What two factors does the strength of gravity depends?

The masses, and the distance. The formula for gravitional attraction is: F = G m(1) m(2) / r2, where G is a constant, m(1) and m(2) are the two masses, and r is the distance.


What maximum g force can a human endure?

The maximum g-force a human can endure depends on the duration of exposure. For short durations, humans can withstand up to 9g. However, sustained exposure to high g-forces can lead to loss of consciousness or injury. Astronauts in training can endure up to around 8-9g for a limited time.