The acceleration due to gravity is the constant of variation. what is the acceleration due to gravity of a falling object? 4.9 9.8 10.2 19.6

→For,a linear expression

y= k x,

Constant , k is the constant of variation.

→→In the statement, it is given that, The acceleration due to gravity is the constant of variation.

→So,the linear expression changes to

y=g x,where g, is constant of proportionality.

→→acceleration due to gravity of a falling object= +9.8 m/s²,because the object is falling downwards,work is not done against the gravity.

Option B: 9.8

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