what is the gravitational force on a person of mass 70 kg?
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On Earth, a 70 kg person weighs 706 Newtons (or 160 lbs). In orbit, the astronauts weight is 632 Newtons (142 lbs).
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To find the Martian weight, we divide the weight on earth by the earth's force of gravity, which is 9.81m/s2. ... So an object or person on Mars would weigh 37.83% its weight on earth. Therefore, a person would be much lighter on mars. Conversely, a person is 62.17% heavier on earth than on Mars.
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The weight of an object and its mass are directly proportional. For a given gravitational field strength, the greater the mass of the object, the greater its weight. Weight can be calculated using the equation: weight = mass × gravitational field strength.
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The weight of an object is the force of gravity on the object and may be defined as the mass times the acceleration of gravity, w = mg. Since the weight is a force, its SI unit is the newton.
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Gravitational field strength is the force experienced by a unit mass. Gravitational force is the amount of force acting on a body. It is the product of field strength times the mass under consideration. Gravitational pull is just a more colloquial name for gravitational force.
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Gravitational definition The most common definition of weight found in introductory physics textbooks defines weight as the force exerted on a body by gravity. This is often expressed in the formula W = mg, where W is the weight, m the mass of the object, and g gravitational acceleration.
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The weight of an object is defined as the force of gravity on the object and may be calculated as the mass times the acceleration of gravity, w = mg. Since the weight is a force, its SI unit is the newton.
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60% of our body is water. For a person weighing 70kg, that means 42 kg or 42 litres!
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Gravity is a general term dealing with the whole topic. Gravitational field strength is the force experienced by a unit mass. Gravitational force is the amount of force acting on a body. It is the product of field strength times the mass under consideration.
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The weight W, or gravitational force, is then just the mass of an object times the gravitational acceleration. Since the gravitational constant (g) depends on the square of the distance from the center of the earth, the weight of an object decreases with altitude.
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On top that, the gravity on Mars' surface is much lower than it is here on Earth – 62% lower to be precise. At just 0.376 of the Earth standard (or 0.376 g), a person who weighs 100 kg on Earth would weigh only 38 kg on Mars.
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The weight of an object is the force of gravity on the object and may be defined as the mass times the acceleration of gravity, w = mg. Since the weight is a force, its SI unit is the newton. Density is mass/volume.
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The answer to this question lies within the difference between mass and weight. Mass is a measure of how much matter an object contains, while weight is a measure of the force of gravity on the object. ... For example, a person with a mass of 70 kg on Earth has a mass of 70 kg in space as well as on the moon.
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What is the gravitational force Fgrav on the satellite? Take the gravitational constant to be G = 6.67×10−11 N⋅m2/kg2 , the mass of the earth to be me = 5.97×1024 kg , and the radius of the Earth to be re = 6.38×106 m .
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It is defined as that force necessary to provide a mass of one kilogram with an acceleration of one metre per second per second. One newton is equal to a force of 100,000 dynes in the centimetre-gram-second (CGS) system, or a force of about 0.2248 pound in the foot-pound-second (English, or customary) system.
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Its weight is determined by the degree to which gravitational force acts on it. On Earth an object whose mass is 100 grams is pulled towards the centre of the planet with a force of 1 Newton. This is said to be the 'weight' of the object (i.e. the downward force it exerts because gravitational force is acting on it).
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Summary. Weight is a measure of the force of gravity pulling down on an object. It depends on the object's mass and the acceleration due to gravity, which is 9.8 m/s2 on Earth. The formula for calculating weight is F = m × 9.8 m/s2, where F is the object's weight in Newtons (N) and m is the object's mass in kilograms.