Gravity always acts downward on every object on earth. Gravity multiplied by the object's mass produces a force called weight. Although the force of an object's weight acts downward on every particle of the object, it is usually considered to act as a single force through its balance point, or center of gravity.
Answer:
28.26
Step-by-step explanation:
The formula for calculating diameter is π<em>d</em> (pi times the diameter), so 3.14 times 9 is 28.26.
Answer:
420mg
Step-by-step explanation:
0.7x6 = 0.42g which is 420mg
1g = 1000mg
Answer: 21.6 m
Step-by-step explanation:
Given
A football field measures 
If a football field similar in shape to a full size has a length 
The ratio of the length of the original to the small field is the same
Assume the width of the small field is w
Thus, the width of the field is 21.6 m
How to solve it is shown with the process of Substitution in the following pictures. (The steps are listed in order from the first picture to the second picture.)
Hope this helps!