What is the purpose of the universal gravitation constant in Newton's law of universal gravitation

Answers

Answer 1
Answer:
The formula for the force of gravity is

                 Force = G  m₁ m₂ / R² .

If the formula were     

                  Force = m₁ m₂ / R² ,  without any 'G',

then in SI units, a couple of 10-kilogram blocks, 1 meter apart,
would attract each other with forces of  100 newtons ... about
23 pounds !

And in English units, a couple of 12-pound bowling balls
1 foot apart would attract each other with forces of 144 pounds !

As I'm sure you've noticed, they don't.

The forces of gravity are proportional to the product of the masses
divided by the square of the distance, but they're not equal to that
expression.  In order to make an equation from a proportion, you
need a constant in there, and that's what 'G' is for.

Answer 2
Answer:

Answer:

Since I don't know what that is here you go.

Law of universal gravitation: all objects attract one another with a gravitational force dependent on their masses and the distance between them

Explanation:


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When the two pistons have different surface areas, how will the pressure exerted on them compare?This is in a hydraulic system. Pascals principle
will the pressure be the same on both or will one be greater

Answers


Pascal's principle says that the pressure is the same
everywhere in a confined fluid, no matter how much
or how little area you're looking at.

THAT's why hydraulic systems work ... because the
SAME pressure over MORE area adds up to MORE force.

The blank are the specialized tubes in the kidneys in which waste is collected from the blood

Answers

Nephrons are the names of the tubes that collect the waste and transport to kidney

When using a series circuit to connect four small light bulbs, which statement is MOST accurate?A) If one bulb fails, the other three can remain operational.
B) The current passing through each bulb is the same.
C) By adding more light bulbs in the series, it will draw less current from the power source.
Eliminate
D) As more light bulbs are added in series, the brightness of the bulbs will stay the same.

Answers

Answer:

The correct answer is option b) "The current passing through each bulb is the same."

Explanation:

A series circuit is one where there is only one path for the current, from the power supply source through all the elements of the circuit, to return again to the source.

Because the current flowing through it only has one way to go, the same amount of current will be supplied at the same intensity throughout the circuit.

The equivalent or total resistance of the circuit is the sum of the resistances that compose it and will be greater than the greater of the resistances of the circuit. This means that as we add terminals (the devices connected to the power grid, which receive the current and transform it into another type of energy), the resistance increases.

Taking into account the definitions and characteristics above, the correct answer is option b) "The current passing through each bulb is the same."

It's B.

The current passing through each bulb is the same. As you add more light bulbs, the current will decrease in each, but it will always be the same current passing through each one.

Forces contribute to the net force on a car rolling down a ramp

Answers

Well if you're asking for the forces, here ya go.

There are a ton of forces that act upon a car while it rolls down a hill, such as:

     -Gravity pushing down on the mass of the car
     -The ramp (or ground) pushing back up on the car at an angle (making it            move)
     -Friction in the form of the tires on the ramp and air resistance
     -Normal Force perpendicular to gravity on the ramp

Now the question doesn't tell me if the engine is powering the car or not, it only says it is "Rolling"

But if the engine were to be driving the wheels, then Engine Force will be applied at the angle of the ramp.

A cubic centimeter can be expressed as a.cm3 or cc b. ccm c. ccm3 or d.ct

Answers

A cubic centimeter can be expressed as a. Cm3

What is the weight of an 1000 gram mass

Answers


That depends on where you weigh it.

-- On Earth, it weighs 9.807 newtons (2.205 pounds).

-- On the moon, it weighs 1.623 newtons (5.84 ounces).

-- On Jupiter, it weighs 24.79 newtons (5.57 pounds).

BTW ... 1,000 grams of mass is called ' one kilogram '.





Well first and foremost, we can see that the problem gives us the mass in grams, which is a metric unit. And as such, we will want to solve for the metric unit of weight, the Newton.

In order to solve for weight, one must first realize what weight is. Weight is simply the force that the earth (or any given celestial being the object resides on) is applying to the object, to keep it pulled down. So weight is force.

Newton's second law of motion states that Force is equal to mass times acceleration. Mass is 1,000 grams, but one must keep in mind that a Newton is a kilogram times meter per second^2, so we want to convert our mass to kilograms. 1,000 grams is equal to 1 kilogram. Now we have our mass.

Next is acceleration. As stated earlier, weight is the force that gravity applies on an object, so acceleration must then be the acceleration due to gravity, which we know is 9.8 meters per second^2. Now we just plug in numbers.

F=ma

F=(1 kg)(9.8 m/sec^2)

F=9.8 (kg x m)/sec^2

F=9.8 N

Hence the earth is applying 9.8 Newtons of force on the object due to gravity, so the object weighs 9.8 Newtons
Hope this helps :)