If a man has a made of 83 kilograms on earth, what will the force of gravity on his body on the moon
Answers
kg are units of mass. The acceleration on the moon due to gravity is roughtly 1/6 that of earth. A more precise figure is 1.62 m/s^2
a = 1.62 m/s^2
m = 83 kg
F = ?
F = m * a
F = 83 * 1.62
F = 134.46 Moon's gravitational force on 83 kg man
On earth the force would be 83 * 9.81 = 814.23 Newtons.
the man would only weigh 13.7 kg on the moon
hope i helped:)
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What things affect gravity
10. A girl pulls a wagon along a level path for a distance of 44 m. The handle ofthe wagon makes an angle of 22° above horizontal. If she pulls on thehandle with a force of 87 N, how much work is done?
I need help on #9 (it's side ways sorry...)
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Answers
A child grows taller
An overweight person goes on a diet
A snowball rolls downhill and picks up snow making it grow
Answers
we know that , weight of an object is given as
W = mg
where W = weight , m = mass of the object and g = acceleration due to gravity at that place.
An astronaut travels from the earth to the moon :
as the astronaut travels from the earth to the moon, the mass of astronaut stays the same but the weight change as acceleration due to gravity change since acceleration due to gravity on moon is only 1/6 times that on earth.
A child grows taller :
as child grows taller , he gains body mass . hence both mass and weight change.
An overweight person goes on a diet :
as an overweight person goes on diet , he loose body mass . hence both mass and weight change.
A snowball rolls downhill and picks up snow making it grow :
As snowball rolls downhill , it gains snow, hence its mass and in turn the weight change.
Answers
1). The product of the two masses.
2). The distance between the centers of the two objects.
Comments:
-- It doesn't matter whether the objects have nearly the same mass, or whether
one is huge and the other one is tiny. It's their product that counts.
The Earth pulls you toward it with the same force as you pull the Earth toward you.
The Earth's weight on you is the same as your weight on the Earth.
-- The force of gravity between two objects doesn't depend on anything between
them. There's no way to block gravity or shield anything from it.
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Final answer:
Magnets are used in the doors of refrigerators and cupboards to keep the doors closed firmly, create a reliable seal, and increase energy efficiency.
Explanation:
Magnets are often fitted to the doors of refrigerators and cupboards for a reason rooted in physics. This setup helps in keeping the doors closed firmly. The magnets are usually embedded in the door seal, creating an attraction with the metal body of the refrigerator or cupboard. This magnetic attraction pulls the door seal flush against the refrigerator when the door is closed, making an airtight seal. As a result, it prevents the cold air inside the refrigerator from escaping, thereby maintaining the interior temperature and ensuring energy efficiency.
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Answers
When the separation between two masses is doubled, the gravitational force between them decreases by 4.
What is meant by gravitational force ?
Gravitational force is defined as the force of attraction experienced by a body due to the gravity of earth.
Here,
The separation between two masses is doubled.
That means the distance, r₂ = 2r₁
We know that the equation of gravitational force is given by,
F = GMm/r²
where G is the gravitational constant
From the equation, we know that the gravitational force obeys the inverse square law.
That means the gravitational force is inversely proportional to the square of the distance between the masses.
So, F 1/r²
Therefore,
F₂/F₁ = (r₁/r₂)²
F₂ = F₁(1/2)²
F₂ = F₁/4
Hence,
When the separation between two masses is doubled, the gravitational force between them decreases by 4.
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Answer:
increase by a factor of 4.
Explanation:
If the separation distance between two objects is doubled (increased by a factor of 2), then the force of gravitational attraction is decreased by a factor of 4 (2 raised to the second power).