Q: Does the value of gravity ever reach zero?

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Throwing a ball straight up in the air. It will reach some peak where the velocity is zero, but the acceleration due to gravity is a constant -9.8m/s^2.

9.8 m/s2 ---------------------- Yes this is the average value of acceleration due to gravity near by the surface of the earth. As we go higher and higher level this g value decreases and becomes almost negligible. Same way as we go deeper and deeper the g value decreases and at the centre of the earth its value becomes zero.

The only number whose absolute value is zero is zero. This is because a number's absolute value is its distance from zero on the number line.

zero

Not necessarily. f(x) = -1-x2 is negative for any test value of x, it is asymptotically negative infinity, but it is NEVER zero.

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No. Gravity is a force with unlimited reach. Gravitys grip-force decreases with an increase in the distance between bodies. In a nutshell, there is no zero gravity, but there is very close to zero gravity. In the deep space between and at extreme distances from any galaxies we find what is effectively zero gravity.

Not ever on earth or somewhere with gravity

about 8 minutes after launch

Zero.

Gravity doesn't become zero at equator, its value is roughly the same all over the earths surface.

the unemployment will never reach zero. because unfortunatly there will be always some one who need or requires job.................muhammad saqib...........

Zero! that's why it is called zero gravity!

Throwing a ball straight up in the air. It will reach some peak where the velocity is zero, but the acceleration due to gravity is a constant -9.8m/s^2.

Its speed, velocity, and acceleration are all zero.

zero gravity

Depends on the atmosphere. location, place, space and time of zero gravity

Have you ever seen video of Space Shuttle astronauts during a space walk ? They are in zero gravity, but they are working and breathing just fine.