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RRB Group-D Model Paper 14 with answers for online practice
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© examsnet.com
Question : 90
Total: 100
The SI unit of 'g' is same as that of acceleration, that is ____.
m
s
1
m
s
−
2
m
s
2
m
s
−
1
Validate
Solution:
Earth pulls an object towards its center. The acceleration generated due to this force is called gravity acceleration (g).
In SI units this acceleration is measured in meters per second squared (
m
s
2
).
The acceleration due to the gravity of the earth is referred to as 'g'.
The approximate value of the acceleration due to the gravity of the earth is 9.8 m/
s
2
.
The weight of an object on the Earth's surface is the downwards force on that object.
It was explained by Newton's second law of motion or F = ma.
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