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3 years ago

What happens to the gravitational force between two objects when their distance is changed?

Physics

1 answer:

kykrilka [37]3 years ago

7 0

If they become closer, it is increased, and if the objects become farther away is decreased.

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What is the magnitude of the gravitational force acting on the earth due to the sun?

expeople1 [14]

Answer: $3.524(10)^{22}N$

Explanation:

According to Newton's law of Gravitation, the force $F$ exerted between two bodies of masses $m1$ and $m2$ and separated by a distance $r$ is equal to the product of their masses and inversely proportional to the square of the distance:

$F=G\frac{(m1)(m2)}{r^2}$ (1)

Where:

$G$ is the Gravitational Constant and its value is $6.674(10)^{-11}\frac{m^{3}}{kgs^{2}}$

$m1=1.99(10)^{30}kg$ is the mass of the Sun

$m2=5.972(10)^{24}kg$ is the mass of the Earth

$r=1.50(10)^{11}m$ is the distance between the Sun and the Earth

Substituting the values in (1):

$F=6.674(10)^{-11}\frac{m^{3}}{kgs^{2}}\frac{(1.99(10)^{30}kg)(5.972(10)^{24}kg)}{(1.50(10)^{11}m)^2}$ (2)

Finally:

$F=3.524(10)^{22}N$ This is the gravitational force acting on the earth due to the sun

3 0

3 years ago

Read 2 more answers

Which of the following types of light can humans see with their eyes?

Hitman42 [59]

Humans can not see any of the above with their eyes

7 0

3 years ago

If you are in a car and your sibling is driving in the same car next to you at the same speed, does your brother appear to be mo

VLD [36.1K]

Answer:

yes, because you guy's are moving in a car. because if you think about it, your parents are driving, but the cars moving so basically you guys would be moving.

please mark as brainly

7 0

3 years ago

Just think about this.

diamong [38]

This ain’t the place, bud. If you have a QUESTION, then you can post it here.

8 0

3 years ago

Read 2 more answers

How is the size of the mri signal related to the applied b0 field?

lianna [129]

Answer:

Intensity Of MRI signal is related as square of $B_{0}$

Intensity is related as $B_{0}^{2}$ .

Explanation:

MRI simply means Magnetic Resonance Imaging. In this process by the resonance of magnetic field the frequency is produced which is used to image the body parts (Mainly the brain).

The signal Strength is the rate of change of Magnetization (M) with respect to the time. For the calculation of Intensity we use Bloch equation which is given by

$\frac{dH}{dt} = M \times \gamma B$

On further solving

$\frac{dH}{dt} =\mu B \times \gamma B \\\frac{dH}{dt} = \mu \times \gamma B^{2}$

So, Intensity is related as $B_{0}^{2}$ .

8 0

3 years ago