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Does moving an object a greater distance always require a greater amount of work?
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Does a greater amount of force always result in a greater amount of work?
you have to be using a compass
Which requires more work-lifting a 50 kgsack a vertical distance of two meters or lifting a 25kg sack a vertical distance of four meters?
They require the same amount of work because the formula for work is force times distance.
If a machine allows you to use less force to do some amount of work then you must apply the input force over a greater?
distance
Does gravity attract objects to each other because of their mass?
Yes. The amount of gravitational force depends on the masses of the two objects. It also depends on the distance: at a greater distance, there is less force. The relation is: inversely proportional to the square of the distance.
How can machines make work easier without violating the law of energy?
For example, a lever can help you require less force. Force is not energy. To lift up (for example) a car, with a lever, you may need to apply less force than the weight of the car, but over a greater distance. Work is force x distance, and the amount of work - which is basically the mechanical energy required to move it - doesn't change.
Does a greater amount of force always result in a greater amount of work?
you have to be using a compass
How did adding more masses affect the amount of work done?
Work is considered a Force times a Distance W = F x D Increasing the amount of mass of the object will require a greater amount of force to displace the object. Thus, if you push two blocks the same distance but one weighs twices as much, you will have expended twice as much work to move the heavier block
How do mass of the objects affect the force of gravity?
The greater the mass, the stronger the gravity, but the distance does not affect the amount of gravity.
What is the result of the mass of the object and the distance that affect the amount of gravitational force between two objects in space?
mass and distance form an inverse relationship when related to gravity. The larger the mass(es) the greater the gravitational pull. The closer the distance, the greater the gravitational pull.
Why do machines the less force to do the same amount of work?
Because machines allow force to be applied over a greater distance.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
Which requires more work-lifting a 50 kgsack a vertical distance of two meters or lifting a 25kg sack a vertical distance of four meters?
They require the same amount of work because the formula for work is force times distance.
What are high yield saving rates?
High yield saving rates are simply savings accounts that pay a greater amount of interest from the financial institution to the account holder. As such, these rates require a greater amount of money to be committed to accrue higher rates of return.
If a machine allows you to use less force to do some amount of work then you must apply the input force over a greater?
distance
If a star's parallax angle is too small to measure what can you conclude about the star's distance from the earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
When the solid and and liquid are in equilibrium which phase contains greater amount of energy?
the liquid (in science) always or usually has more energy.
Does gravity attract objects to each other because of their mass?
Yes. The amount of gravitational force depends on the masses of the two objects. It also depends on the distance: at a greater distance, there is less force. The relation is: inversely proportional to the square of the distance.
