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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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If object A is circumscribed about object B then what can be said about each?
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The object's speed and direction.
What 2 factors determine how heavy an object can be and still float?
The weight of the object must be less than the weight of the water it displaces (buoyancy force). Also, the density of the object must be less than the density of the fluid it is placed in (Archimedes' principle).
What has to happen for an object to float?
For an object to float, it must displace an amount of fluid equal to its weight. This is known as Archimedes' principle. If the weight of the object is less than the weight of the fluid it displaces, the object will float; if the object is denser than the fluid, it will sink.
What two quantities must be known in order to determine the distance to an object?
To determine the distance to an object, you need to know the object's speed and the time it takes for the object to travel to a specific location. By multiplying the speed by the time, you can calculate the distance the object has traveled.
What does an object have to have for weight to act on it?
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?
The weight of the object must be equal to the weight of the water it displaces in order for the object to float in water. This is known as Archimedes' principle. If the object is less dense than water, it will float; if it is more dense, it will sink.
How much does a 1996 Johnson outboard motor weight?
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?
An initial point and a final point must be chosen to determine the motion of an object. By measuring the position of the object at these two points, the distance and direction traveled can be calculated. Additionally, the time taken between the two points is necessary to determine the object's speed and velocity.
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?
The water around floating object's is a measure of that object's "Displacement". For the object to float the weight of displacement must equal the object's weight. If the water around an object is of a greater weight than an object's displacement, then the object will sink.
