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Illusion [34]
3 years ago
9

Why is newton's gravitational force called universal gravitational force​

Physics
2 answers:
Lelechka [254]3 years ago
6 0
Newton’s law of gravity is considered “universal” because it is believed to be applicable to the entire Universe (to a good approximation). Gravity does not just pull an apple from a tree, but also pulls the Moon to the Earth, the Earth to the Sun, and so on. Gravity is a fundamental force of nature.
Rasek [7]3 years ago
5 0

Answer:

is called so because it is applicable on all bodies having mass, and the bodies will be governed by the same law, that is newton's law of gravitation. Thus, as it is applicable universally, it is called as universal law

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The only way to do that is to reduce the
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How are the sun and Earth's moon different?(2 points)
katovenus [111]

Answer: The Sun measures 1.4 million km across, while the Moon is a mere 3,474 km across. In other words, the Sun is roughly 400 times larger than the Moon. But the Sun also happens to be 400 times further away than the Moon, and this has created an amazing coincidence.

Explanation:

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3 years ago
A 5.0-kilogram box is sliding across a level floor. The box is acted upon by a force of 27 newtons east and a frictional force o
marshall27 [118]

Answer:

The magnitude of the acceleration of the box is 2 m/s².

Explanation:

Given:

Mass of the box, m=5.0 kg

Force acting towards east, F=27 N

Frictional force acting towards west, f=17 N

Let the acceleration be a m/s².

Now, net force acting on the box towards east is given as:

F_{net}=F-f=27-17=10\textrm{ N}

From Newton's second law of motion,

F_{net}=ma\\10=5.0\times a\\a=\frac{10}{5.0}=2\textrm{ }m/s^2

Therefore, the magnitude of the acceleration of the box is 2 m/s².

6 0
3 years ago
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The north and south poles of a magnetic field produced by an electromagnet will switch when the direction of the changes.
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When the direction of the current changes
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3 years ago
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Napoleon’s cannon, having a muzzle velocity of 333 m/s, is fired at a 0 degree angle off a cliff. The ball lands 622 m away from
timama [110]

The cannon is 17.69 m above the ground level

<h3>Data obtained from the question</h3>

The following data were obtained from the question:

  • Horizontal speed (u) = 333 m/s
  • Horizontal distance (s) = 622 m
  • Height (h) =?

<h3>How to determine the time </h3>

We'll begin by calculating the time taken for the ball to land on the ground. This can be obtained as follow:

  • Horizontal speed (u) = 333 m/s
  • Horizontal distance (s) = 622 m
  • Time (t) =?

s = ut

622 = 333 × t

Divide both sides by 333

t = 622 / 333

t = 1.9 s

<h3>How to determine the height</h3>

The height of the cannon above the ground can be obtained as illustrated below:

  • Acceleration due to gravity (g) = 9.8 m/s²
  • Time (t) = 1.9 s
  • Height (h) =?

h = ½gt²

h = ½ × 9.8 × 1.9²

h = 4.9 × 3.62

h = 17.69 m

Learn more about motion under gravity:

brainly.com/question/20385439

#SPJ1

3 0
2 years ago
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