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Inessa05 [86]
3 years ago
8

Astronauts need special tools to work in space. One specially designed tool that astronauts use is a screwdriver. Using Newton’s

third law of motion, explain why it might be difficult to use a normal screwdriver to tighten a screw in space.
Physics
1 answer:
Softa [21]3 years ago
3 0
Due to the fact that for every action there is an equal reaction for every turn on the screw the screw will exert energy equal to the amount you gave
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A housekeeper is cleaning the kitchen and decides to to use a ladder to reach a top shelf. As he/she is cleaning he/she is start
pshichka [43]

The amount of gravitational force between both objects will be the same.

The magnitude of the Earth's gravitational force exerted on the housekeeper is calculated by applying Newton's second law of motion;

F = mg

where;

<em>m </em><em>is the mass of the housekeeper</em>

<em>g </em><em>is acceleration due to gravity</em>

According to Newton's third law of motion, action and reaction are equal and opposite.

The force exerted on the housekeeper by the Earth is equal in magnitude to the force exerted on the Earth by the housekeeper.

F_{H} = - F_{E}

The two forces are equal in magnitude but opposite in direction.

Thus, the correct option is " the amount of gravitational force between both objects will be the same"

<em>The</em><em> missing part</em><em> of the </em><em>question </em><em>is below:</em>

a. the Earth exerts the largest amount of gravitational force

b. the housekeeper exerts the largest amount of gravitational force

c. the amount of gravitational force between both objects will be the same

Learn more about Newton's third law of motion here: brainly.com/question/15507

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2 years ago
A wave has a wavelength of 30 mm and a frequency of 5.0 hertz. What is its speed?
Alenkinab [10]
                 Wave speed  =  (frequency) x (wavelength)

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I think it’s A I’m not too sure sorry if I’m wrong
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