It is easier to push an empty shopping cart than a full one because the filled cart has more mass than the empty one. This can be expressed by ______...?
(A) F > m
(B) F < m
(C) F ∝ 1/m
(D) F ∝ m
F ∝ m
Comments
It is easier to push an empty shopping cart than a full one because the filled cart has more mass than the empty one. This can be expressed by ______...?
It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?
(A) An equal and opposite pressure acts from inside
(B) of the height of a man
(C) of gravity
(D) Earth pulls the man upward
An equal and opposite pressure acts from inside
Comments
It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________...?