In which situation is the gravitational force between two objects hard to detect?
A. if the mass of one of the objects is very great
B. if the mass of both objects is very great
C. if the objects are very close together
D. if the mass of each object is very small
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D.

Explanation:

Newton's Law of Gravitation states that:

If the masses of each object is small, then would be very small, making the gravitational force between the two objects hard to detect - as it itself would be very small.

Answer&Explanation:

According to the Newton gravitational law is directly proportional to the Product between masses and inversely proportional to the square of the distance..

Hence from the law and corresponding question the correct answer is D:if the mass of each object is very small

Thus it would make it undetectable

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles

distance = 150m

displ = root (50 ^2 + 100^2)

root(2500+10000)

root 125000