Physics
03.11.2022 17:20
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Two particles have a mass of 8kg and 12kg, respectively. if they are 800mm apart,

Two particles have a mass of 8kg and 12kg, respectively. if they are 800mm apart, determine the force of gravity acting between them. compare this result with the weight of each particle. g
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natashareeves16
natashareeves16
4,9(9 marks)
The magnitude of the force of gravity acting between the particles is:
F=G\frac{m_1.m_2}{d^2}ย 
The weight of each particle is:
P=mg
Now let's plug in the numbers knowing that G=6.67\times10^{-11} , g=9.81, d=0.8 and m1 and m2 are already given in kilograms. We get then:
P_1=m_1.g=78.48N
P_2=m_2.g=117.72N
F=G\frac{m_1.m_2}{d^2}=1.00\times10^{-8}N

This results shows us why we don't often see objects being attracted to each other, their mass is too small compared to the earth gravitational pull.
ashioya0021
ashioya0021
4,4(63 marks)

ye

Explanation:

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