What's the relationship between work done and force applied

1 answer:

3 0

When a force acts on a body along some path, the work done is W=F*s, where W is the work done, F is the force that is doing the work on the body and s is the path. The force doing the work has to be in the same direction, or parallel, as the path. This is called positive work. If the force and the path are anti-parallel, the work is negative. So the relationship between work and force is W=F*s.

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The earth has about 80 times the mass of the earth's moon. The gravitational force exerted on the moon by the earth has what rel

chubhunter [2.5K]

Answer:

Both forces are the same.

Explanation:

The problem states that:

$m_e = 80*m_m$

The force exerted on the moon by earth is given by:

$F_m=\frac{K*m_e*m_m}{d^2}$ where K is the gravitational constant, and d is the separation distance between the earth and the moon.

The force exerted on the earth by moon is given by:

$F_e=\frac{K*m_m*m_e}{d^2}$ where K is the gravitational constant, and d is the separation distance between the earth and the moon.

The relation is therefore:

$F_m/F_e = \frac{K*m_e*m_m/d^2}{K*m_m*m_e/d^2}=1$

As you can see, they are the same.

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Answer:

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Explanation:

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3 years ago

Someone please help with this

SSSSS [86.1K]

Answer:

The new force is 2/3 of the original force

Explanation:

Coulomb's Law

The electrical force between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between the two objects.

Written as a formula:

$\displaystyle F=k\frac{q_1q_2}{d^2}$