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What is the gravitational force of 7 kg mass exerts on 4 kg mass?
Wiki User
∙ 12y ago
The gravitational force between masses depends on the distance between them.
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The force (and reaction) can be calculated from:
:
f (newtons) = (G * 7 * 4) / d2
where:
G = newtons gravitational constant ( 6.672 * 10 -11)
d = distance between centres of gravity in metres
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Example: a distance of 0.1 metres between the masses would exert a force of
on each mass of 1.868 * 10 -7 newtons
Wiki User
∙ 12y ago
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What times mass equals weight?
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What is the magnitude of gravity the earth exerts on a man with a mass of 80.0kg?
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Gravitational force relies on what two things?
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What is the gravitional force between a mass of 20 kg and a mass of 100 kg that are 15 meters apart?
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The gravitational force between two masses is given by the formula F = G * (m1 * m2) / r^2, where G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the masses. Given that the masses are 5kg and 2kg, the force can be calculated once the distance between them is known.
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Weight depends on gravitational force. Mass, on the other hand, is a measure of the amount of matter in an object and is constant regardless of gravitational force.
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The mass of a 20kg object is 20 kilograms. This means that the object has a certain amount of matter that exerts a gravitational force of about 196.2 Newtons (assuming acceleration due to gravity is 9.81 m/s^2).
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You feel Earth's gravitational force because Earth has a much larger mass compared to you. The force of gravity between two objects depends on their masses and distance. Since the book is much lighter than Earth, the gravitational force it exerts on you is negligible compared to Earth's gravitational pull.
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