Why is it harder to lift a 100-pound sack of rice than to lift a 5-pound bag of sugar?

1 pound mass is equivalent to 0.454 kg mass

now the weight of the object of mass 1 pound will be

now force required to pull upward a 100 pound sack will be given as

Also we can say that force required to pull a bag of 5 pound mass will be

so here we can see that 22.2 N force is very small as we compare it with 445 N this is the reason it is easy to pull 5 pound bag of sugar then 100 pound sack of rice

jupiter is the largest planet in our solar system, having a mass and radius that are respectively, 318 and 11.2 times that of earth. suppose that an object falls from rest near the surface of each planet and that the acceleration due to gravity remains constant during the fall. each object falls the same distance before striking the ground. determine the ratio of the time of fall on jupiter to that on earth.