Question

What is Acceleration due to Gravity? Explain formula of relation between g & G and

find the value of g.

Q-10 What are weeds? Give the examples of weeds, need to control them and methods.​

Answer 1

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1. Acceleration due to Gravity (g) Vs Universal Gravitational Constant (G) On the surface of earth the acceleration due to gravity, g = GM/R², where, G is Newton's universal gravitational constant M is the mass of the earth and R is the radius of earth.
2. Its value is 9.8 m/s² on Earth.
3. Weeds are the unwanted plants that grow gradually amidst the crops or anywhere. They feed on or share the water and nutrients of the adjacent plants.

• As a result, they decrease the fertility of the soil and interrupt the crop (plant) growth. ...
• Two effective methods to control weeding are Mulching and Pulling.