Question

What is the force of gravity acting on a point mass of 1 kg is released from a height of 1 metre from the surface of the earth

Answer 1

Answer:

9.8 m/s^2

Explanation:

the force of gravity is constant

Answer 2

Answer:

9.8N

Explanation:

As we know the value of G= 6.67×10^-11 , and the value of mass of the earth= 6×10^24 ,and the radius of the earth =6.4×10^6.

Now the put the values in the formula and calculate....

F=Gm¹×m²/r²

F=6.7×10^-11×6×10^24×1/6.4×10^6×6.4×10^6

F=6.67×6×10^13/6.4×6.4×10^12

F=6.67×6×10/6.4×6.4

F=9.8N

9.77050781N approx........