Question

30. On the surface of earth what is the value of Acceleration due to gravity "g"?
a. 9.8 m/s?
b. 98 m/s
c. 6.7 m/s2
d. 100 m/s​

Answer 1

Answer:

the answer for this question is c

Answer 2

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⟹ Value of acceleration due to gravity on earth ??

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⟹ (a) 9.8 m/s

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Acceleration due to gravity :- The acceleration of any mass near the surface of earth due to Gravitation of earth ( called gravity ) is called acceleration due to gravity .

• > Its Value is 9.8 m/s

Free Fall :- When an object falls towards the centre of another object/celestial body under the effect of its gravity alone , we call it a free Fall .

• > when an object drop down , u = 0

• > When an object is thrown upward , v = 0

• > Time taken to reach down = Time taken to reach the highest point

Mass and weight :- mass is a measure of quantity of matter contained in a body . It is a constant quantity and is expressed in kilogram ( kg ) .Mass is a scalar quantity and measure using beam balance

• > Weight is defined as the force

exerted upon a body due to the gravity . Weight is the vector quantity amd Expressed in Newton ( N ) .

• > Weight = Mass × Acceleration

due to gravity