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9.81 is the acceleration due to the force of gravity experienced by bodies on or about the surface of the earth (nominally at sea level) the units are meters per second / per second, that is to say a stone dropped from a height will gain 9.81 m/s velocity for every second it falls (is in freefall)
however , if you move from the earths surface , this figure will diminish, an example being : if you double your distance from the earths centre you will experience 1/4 of the acceleration (or force) you experienced at the surface
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Value of accelaration due to gravity at the centre of the earth?
Zero.
Can you give me one example in nature of movement energy?
Accelaration due to gravity. Anything moving has kinetic energy.
How does accelaration due to gravity effect the time period of a simple pendulum?
Normally the acceleration of gravity is not a factor in the period of a simple pendulum because it does not change on Earth, but if it were to be put on another celestial body the period would change. As gravity increases the period is shorter and as the gravity is less the period is longer.
Why is mass importance?
First it is regarded as fundamental quantity. Secondly in almost all calculations of physics and chemistry it is an important parameter
What is the value of the acceleration of gravity?
1. what value is assigned to the acceleration due to gravity on earth? The acceleration of gravity on earth is 9.8 meters per second per second. 9.8m/s2 2. what is the initial velocity of an object that is dropped? That would be Vi=0.
Why accelaration due to gravity on moon is less than accelaration due to gravity on earth?
Because the earth is much more heavier than the moon.
Value of accelaration due to gravity at the centre of the earth?
Zero.
Is accelaration due to gravity is constant?
yes and its 9.8m/s2
Does the value of accelaration due to gravity increases in winter?
No. There's no reason to expect that to happen.
How can gravity be not held responsible for people falling in love where as accelaration due to gravity acts on them?
because they don't fall they actually bends...
Can you give me one example in nature of movement energy?
Accelaration due to gravity. Anything moving has kinetic energy.
How does accelaration due to gravity effect the time period of a simple pendulum?
Normally the acceleration of gravity is not a factor in the period of a simple pendulum because it does not change on Earth, but if it were to be put on another celestial body the period would change. As gravity increases the period is shorter and as the gravity is less the period is longer.
Why is mass importance?
First it is regarded as fundamental quantity. Secondly in almost all calculations of physics and chemistry it is an important parameter
What mathematical relationship applies between the pendulum length and the oscillation period?
t = 2*pi*sqrt(l/g) Where t is the period, l is the length and g is the accelaration due to gravity.
What were Galileo's discoveries accepted In the scientific World?
His discovered that 2 objects of an mass fall at the same time due to accelaration due to gravity. A greater force must be forced on the larger object so both objects of different masses can land at the same time.
If you were given the length width and weight of an object could you find the volume of the object?
No. You need the length, width and height. If you had weight but not height, you would need the density (or the specific gravity). Strictly speaking, you need mass, not weight because with weight you would also need the accelaration due to gravity.
How much work did the movers do horizontally pushing a 150 kg crate 10.4 m across a rough floor without acceleration if the effective coefficient of friction was 0.70?
10920 joules if the accelaration due to gravity is taken to be 10m/s/s
