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How much work is done to an object with a weight of 56.4 n that is raised to the height of 9.1 m?
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How much work is done when an object is thrown upward?
mass of the object (times) gravitational acceleration (times) height the object reaches.
How much work is done in lifting a 50kg object to height of 5m?
anser
What is the relationship between the work done while moving a book to a higher bookshelf and the change of potential energy?
It is the same - work done is weight x height and potential energy change is the same at the new height
When is work said to be done against the force of gravity?
All bodies with mass are attracted to the Earth by gravity, so when a body is raised you must do work to raise it. This work is equal to force x height, if force is in Newtons and height in meters, the work is in units of Joules.
Can you measure to find out how much mass an object has?
Yes, that can be done. Mass measurements are done indirectly; in theory the mass can be determined via an object's weight, or experiments with acceleration (using Newton's Second Law).
Why would a person need a bmi calculation done?
Are you the right weight for your height? It's important to know if you're the right weight for your height. This can be done by calculatating your BMI.
How much work is done when an object is thrown upward?
mass of the object (times) gravitational acceleration (times) height the object reaches.
How much work is done in lifting a 50kg object to height of 5m?
anser
How much work is done when a 6.0 n weight is raised 2.0 meters off the ground?
12j
What is the relationship between the work done while moving a book to a higher bookshelf and the change of potential energy?
It is the same - work done is weight x height and potential energy change is the same at the new height
When is work said to be done against the force of gravity?
All bodies with mass are attracted to the Earth by gravity, so when a body is raised you must do work to raise it. This work is equal to force x height, if force is in Newtons and height in meters, the work is in units of Joules.
Can you get taller if you are not done growing and you lose weight?
If you are not done growing, you will probably get taller but that height gain will not be related to weight loss. In fact, weight loss shouldn't affect growth in height UNLESS the weight loss is unhealthy weight loss resulting in malnutrition - in which case the result could be less growth in height.
Can you measure to find out how much mass an object has?
Yes, that can be done. Mass measurements are done indirectly; in theory the mass can be determined via an object's weight, or experiments with acceleration (using Newton's Second Law).
What is The work done holding a 50 kg object at a height of 2 m above the floor for 10 seconds?
The answer is 0. If you used the formula of =>mgh, you would get a value which would be wrong. The question is a trick question. There is no work done in 'holding' an object but work would be done in 'lifting' an object. Hence, 0. ~Dartz
Why is potential energy sometimes called stored energy?
because the work done in placing that object at a height is stored in it as the potential energy....
How can you tell if work is being done on an object?
The object may move against a force, for example be raised against gravity, or it may accelerate ie go faster, or it may get warmer for example by friction.
What energy of a book on a shelf is equal to the work done to lift the book to the shelf?
The potential energy of the book on the shelf is equal to the work done to lift the book to the shelf. This is because the potential energy of an object at a certain height is equivalent to the work done against gravity to lift it to that height.
