Question

If an object has a mass of 20 kg, what is the force of gravity acting on it on earth? A. 32.67 N B. 2.04 kg C. 1.96 kg D. 196 N

Answer 1

m=20 kg
g on earth=9.8m sec^-1
F=m*a
F=20*9.8
F=196N

Answer 2

D. 196 N

Step-by-step explanation:

The force of gravity acting on an object located at the Earth's surface is given by:

`F=mg`

where

m is the mass of the object

g is the acceleration due to gravity

In this problem:

- m=20 kg is the mass of the object

- g = 9.81 m/s^2 is the acceleration due to gravity at Earth's surface

Substituting these data into the formula, we get

`F=(20 kg)(9.81 m/s^2)=196.2 N \sim 196 N`