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Answered 2013-12-13 10:06:17

At terminal velocity (constant velocity), the acceleration is zero, but prior to that, there is a downward acceleration.

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Why is acceleration due to gravity zero at the centre of the Earth?

Acceleration due to the earth's gravity is zero at the center of the Earth because at that point the mass of the earth is equally distributed in all directions, so pulling equally in all directions for a net zero pull. Simplistically, acceleration due to gravity decreases as distance from the center decreases. At the center the distance is zero, hence gravity is zero.


Is earth's gravity the same on the surface as it is in the center of the earth?

No. At the centre of the earth the acceleration due to gravity is ZERO


What will be the effect on accelaration due to gravity when a person fall with parachuate?

Acceleration is the result of the total force. Use Newton's Second Law, whichis usually written as:F=maSolving for acceleration:a = F/mPlease note that the F (force) refers to the net force - the sum of all forcesthat act, in this case, on a person with a parachute. In this case, it is the sum(the vector sum, to be precise) of the force of gravity (downward), and theforce of friction (upward). After a short while, these forces will be balanced -the net force, and therefore the acceleration, will be zero.The parachute has no effect on the acceleration due to gravity. It just usesair to create a force that works in the direction opposite to gravity, and thatreduces the acceleration of the body that's wearing the parachute.


Acceleration due to gravity is zero at?

At the center of earth or any other heavenly body.


What are the differences of uniform linear acceleration to acceleration due to gravity?

There are none. Acceleration due to gravity IS a uniform linear acceleration.


What is accileration due to gravity on earth?

Acceleration due to gravityThe acceleration produced in the motion of a body under gravity is called Acceleration.


Examples where velocity is zero but not acceleration?

When a ball is thrown up in the air there is a moment, when the ball reaches its maximum height, the velocity of the ball is zero, and acceleration due to gravity still exists [downwards]. If the velocity is zero, the acceleration is not necessarily zero.


What is equivalent of acceleration due to gravity?

acceleration due to gravity of earth is 9.8ms-2


Why is the acceleration of gravity the same for all objects regardless of their mass but when 2 people jump from an airplane with the same size parachute the heavier person has greater final velocity?

Acceleration due to gravity is the same ONLY if you assume there is no air resistance. This is definitely not the case if you use a parachute.


What causes acceleration to stop at terminal velocity?

It is at terminal velocity, the force of acceleration due to gravity is exactly equal to the force of retardation due to drag. The net force is therefore zero and so the acceleration becomes zero.


What will be the effect of the acceleration due to gravity while jumping with a parachute?

The acceleration due to gravity doesn't change near the earth's surface, no matter what the cause of your fall is, or what position you assume during the fall, or what you're wearing. But a parachute sets up significant force opposite to gravity, because of air resistance. Since the acceleration is proportional to the net force, it can be reduced when there is considerable force canceling a significant fraction of the gravitational force.


When is acceleration due to gravity negative and positive?

Acceleration due to gravity is negative when an object is moving up. Accl'n due to gravity is positive when an object is moving down (since gravity acts downwards on an object). ^Acceleration due to gravity is always negative, while the acceleration of the ball upward was positive due to what threw it, not gravity.


What is the acceleration for the pull of gravity?

If you mean acceleration due to gravity it is ~9.8m/s2



What is acceleration due to the effect of Earth's gravity?

9.8 m/s^2 is the acceleration due to the earth's gravity.


Is it possible for the body to have zero velocity and non zero average acceleration?

Yes, satellite orbiting the Earth in a Geo-Stationary Orbit has 0 Velocity relative to a point on the Earth, BUT it experience the 'Pull' (acceleration) of Gravity, which prevents it from escaping its Orbit. The Gravity is LESS than that at the surface of the Earth, but not 0. The feeling of WEIGHTLESSNESS is not due to Zero Gravity, but due to the fact that Object is FALLING through its Orbit. A Person Falling "feels" Zero Gravity.


The weight of an object is?

The formula: Weight = mass x acceleration due to gravityOn Earth, acceleration due to gravity has a value of about 9.8 N/kg.On the Moon, acceleration due to gravity has a value of about 1.6 N/kg.On the Sun, acceleration due to gravity has a value of about 274.1 N/kg.


What is acceleration due to gravity called?

Acceleration due to gravity means the force due to weight of an object which increases due to the gravitational pull of the earth.


What force that can change when acceleration due to gravity changes?

I suppose you are asking about what forces change when acceleration due to gravity changes. In this case, the formula for forces concerning acceleration due to gravity is as such: fg=mg. When acceleration due to gravity(g) changes, it affects the force of gravity which is also known as the weight of the object. This is shown as fg.


What are the effects of acceleration due to gravity on the time period of a pendulum?

The period of a pendulum (in seconds) is 2(pi)√(L/g), where L is the length and g is the acceleration due to gravity. As acceleration due to gravity increases, the period decreases, so the smaller the acceleration due to gravity, the longer the period of the pendulum.


Is acceleration due to gravity act on a body resting on a table zero?

no,but the table exerts an equal & opposite force so net force is zero.


How is the acceleration of an object in free-fall related to the acceleration due to gravity?

The acceleration in free fall IS the acceleration due to gravity, since "free fall" is the assumption that no forces other than gravity act on the object.


Is it possible for a body to have zero velocity and non zero acceleration?

Yes friend : actually the definition of velocity is the time rate change in acceleration but if we throw some thing upward then a point comes where velocity of the body is Zero but acceleration due to gravity is present. hope you understand


What is 9.8 of acceleration?

that's acceleration due to gravity on earth.


The weight of an object varies with the force with which gravity pulls on it?

Weight of an object depends on the objects mass and the acceleration due to gravity... Weight=mxg where m = mass g=acceleration due to gravity on earth, acceleration due to gravity = approx 9.81m/s2


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