What did newton's law of universal gravitation tell us about how gravity works?

Physics

1 answer:

vazorg [7]3 years ago

6 0

The force of gravity form the Sun will be stronger on a n object with more mass

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How does a metamorphic rock become an igneous rock?

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3 years ago

A 100-newton box is placed on a table. The table can exert a maximum normal force of 80 newtons. What will happen to the box?

myrzilka [38]

Answer:

Explanation:

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3 years ago

If you tie a rope to a tree and move it up and down, you are creating what kind of wave?

loris [4]

This is called a<em> standing wave</em> since the waves don't move ALONG the rope. They just kind of stand in one place on the rope. if you just whip a long rope that's not tied to anything, you see the wave move along the rope, this is a TRANSVERSE wave. When you crack a qhip you send a transverse wave down the whip which concentrates in the tip, accelerating the tip to faster than the speed of sound resulting in a tiny sonic boom or "whip crack".

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4 years ago

The work w done when lifting an object varies jointly with the object's mass m and the height h that the object is lifted. the w

Galina-37 [17]

Work done can be computed using the formula:

$W=Fd$

Where:

W = work (J)
F = Force (N)
d = Distance (d)

Looking at the given, you know that you do not have a value for force, so you will have to solve for it.

$F = ma$

Where:

F = Force
m = mass
a = acceleration

Because the object is being lifted, the acceleration will rely on gravity. Acceleration due to gravity is a constant 9.8 m/s^2. Let's list our given first:

F = ?
m = 100kg
a = 9.8m/s^2

Put that into our equation and solve:
$F=ma$
$F=(100kg)(9.8m/s^{2})$
$F=980kg.m/s^{2}$

Our force is then 980 N.

Now that we have force we can solve for Work. The given for work is as follows:
F= 980N
d = 1.4m

Put that into our formula and solve:
$W = Fd$
$W = (980N)(1.4m)$
$W = 1,372J$

The work done is 1,372J.

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4 years ago