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The four forces are: strong nuclear force, weak nuclear force, electromagnetic force, and gravitational force.
Both the strong nuclear force and the weak nuclear force have a very limited range, although very strong compared to the other two forces neither can reach outside the atomic nucleus.
The electromagnetic force has an infinite range and can in principle act between all objects all the time, but the fact that it comes in opposite polarities (i.e. plus/minus electric charges, north/south magnetic poles) that attract and cancel each other, most objects have no net electromagnetic field and thus cannot act on any other object.
The gravitational force has an infinite range and only one polarity (i.e. attractive), so although it is the weakest of all the four forces, it alone can act between all objects all the time.
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How does the gravitational force between two objects that are close together compared to the gravitational force between two objects as they move farther apart?
As the objects move farther apart, the gravitational force between them decreases. Every time the distance between them doubles, the force between them drops 75%.
How does gravitational force between two objects that are close together compared to the gravitational force between two objects as they move farther apart?
As the objects move farther apart, the gravitational force between them decreases. Every time the distance between them doubles, the force between them drops 75%.
How does the gravitational force between two objects that are close together compare to the gravitational force between two objects as they move farther apart?
As the objects move farther apart, the gravitational force between them decreases. Every time the distance between them doubles, the force between them drops 75%.
What was the basic idea behind newtons law of gravity?
All physical objects, he said, had a force of attraction between them, the strength of the force depended on the masses of the objects and the distance between them.
Impulse is the product of force and the what During which that force acts?
time
What is gavitational force?
gravitational force is a basic force of nature, it presents everywhere and at all time. The gravitational force acts between any 2 masses in the universe and pulls them toward each other .It is the force that pulls objects toward earth.
Is the product of a force and the time during which the force acts.?
Impulse - APEX ! =)
Why isn't time a variable that affects the amount of gravitational force between two objects in space?
To calculate the gravitational force between two objects, all you need is the mass of those two objects, and the distance between their gravitational centers. If You know that, you can calculate the magnitude of the force, and it doesn´t matter if that situation occurs right now, in 2 days, or in 1357. If you want anything to change (force magnitude, distance or whatever you want), of course, you need time, but you cannot make any statements about a physical situation if you only know the time, or how much time has passed.
What happens to momentum when an impulse acts on a system?
Strictly speaking, you would say that a force acts on a system and the impulse of that force corresponds to the change in momentum of the system due to the action of the force. More mathematically, the impulse of a force is defined as the integral of that force with respect to time over the time period that the force acts.
Do some forces act on objects?
No because friction will be different for different objects, so you have to take that into account. If you push something through water it will move a lot easier than if you apply the same force to a desk that is nailed to the floor :P
What is Periodic force?
A force which acts continuously at specific intervals of time is called periodic force.
Is Velocity is the product of a force and the time during which the force acts true or false?
True
