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Weight is equivalent to the force due to gravity. To determine weight, you must know both the mass of the object and the acceleration due to gravity in the place that the object resides.
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Weight = m * ag
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where:
- m = the mass of the object
- ag = the acceleration due to gravity (-9.8 m/s2 on Earth at sea level)
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If you know both the mass of the object and the mass and size of the planet the object is being weighed on, then you can calculate the force due to gravity (weight) as:
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Weight = G * mo * mp / r2
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where:
- G is the gravitational constant of the universe (6.67 * 10-11 m3kg-1s-2)
- mo is the mass of the object being weighed
- mp is the mass of the planet
- r is distance from the center of the planet to the center of the object
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What has to happen for an object to float?
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An object must have mass for there to be weight. There also must be another mass (such as Earth) that exerts a gravitational pull on the object for there to be weight.
What needs to be equal in order for an object to float in water?
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In order to determine the weight of a 1996 Johnson, the model number, or at least the engine horsepower must be known.
What point must be chosen to determine the motion of an object?
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What is bouyancy force always equal to?
Buoyancy force is always equal to the weight of the fluid that is displaced by an object submerged in the fluid. This is known as Archimedes' principle.
What For an object to float the mass of the water displaced must the mass of the object?
For an object to float, the mass of the water displaced must be equal to the mass of the object. This is known as Archimedes' principle, which states that the buoyant force acting on an object is equal to the weight of the fluid displaced by the object. When these two masses are equal, the object will float.
What factors determine how heavy an object can be and still float?
The weight (or mass) of an object and the density of the liquid it is placed in are important factors in determining if an object will float. For an object to float, its weight must be less than the weight of the liquid it displaces. This is known as Archimedes' principle. Objects with lower density than the liquid they are placed in will float.
What happens when the water around objects have a force greater than the object's weight?
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