Table of Contents
- 1 Why do astronauts bounce on moon?
- 2 How does the gravitational force that a small mass exerts on a large mass compare to the force that a large mass exerts on a small mass?
- 3 Why do astronauts on the moon bounce when they walk quizlet?
- 4 Why does the earth have more gravitational pull than the moon quizlet?
- 5 Why does the Sun have a higher gravitational attraction than Earth?
- 6 How does the Sun’s gravitational pull affect the Earth?
- 7 Can a gravitational theory predict the motion of the Moon?
- 8 Why does the Moon have the same force as the Earth?
Why do astronauts bounce on moon?
Explanation: The moon’s gravity is about 1/4 as strong as the earth’s gravity. Our muscles a built to carry us on the earth. The astronauts are used to walking on earth so when they push forward with their legs they tend to use the same amount of energy which is 4 times more than needed.
How does the gravitational force that a small mass exerts on a large mass compare to the force that a large mass exerts on a small mass?
Because the quarter has more mass, gravity exerts more force on it. But greater mass also means more inertia, so the greater force does not produce a larger acceleration. Objects with different masses fall with the same acceleration. A coin that is dropped falls at the same rate as one that is thrown forward.
Why doesn’t the sun’s gravitational force affect you more than Earth’s gravitational force does?
why doesn’t the sun’s gravitational force affect me more than earth does? A: Although the sun has a much larger mass than the earth, Ms /Me = 3.3 x105 it’s distance ratio squared (Rs/Re)2 = 3.3 x 108 dominates the ratio of the forces.
What does the law of universal gravitation tell us?
Newton’s law of universal gravitation is usually stated as that every particle attracts every other particle in the universe with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between their centers.
Why do astronauts on the moon bounce when they walk quizlet?
How does the Law of Universal Gravitation explain why astronauts on the moon bounce when they walk? They were not being pulled with as much force as they would have been on Earth because the moon has less mass than the Earth. The closer together they are, the more gravitational force.
Why does the earth have more gravitational pull than the moon quizlet?
Why is the Earth’s gravity stronger than the moon’s gravity? The Earth has more mass than the moon.
How does the law of universal gravitation explain why gravity between an elephant and earth is greater than gravity between a cat and earth?
That all objects in the universe attract each other through gravitational force. How does the Law of Universal Gravitation explain why gravity between an elephant and Earth is greater than gravity between a cat and Earth? The elephant weighs more. The closer together they are, the more gravitational force.
Which explains why astronauts seem weightless in orbit?
Earth-orbiting astronauts are weightless for the same reasons that riders of a free-falling amusement park ride or a free-falling elevator are weightless. They are weightless because there is no external contact force pushing or pulling upon their body. In each case, gravity is the only force acting upon their body.
Why does the Sun have a higher gravitational attraction than Earth?
The Sun is a lot more massive than the Earth, and so it has a stronger gravitational field. The Sun exerts the same gravitational force on the planets as it would if it had the same mass but was made of rock.
How does the Sun’s gravitational pull affect the Earth?
The sun’s gravity pulls the planet toward the sun, which changes the straight line of direction into a curve. This keeps the planet moving in an orbit around the sun. Because of the sun’s gravitational pull, all the planets in our solar system orbit around it.
Why is the universal law of gravitation important?
It encapsulates the idea that all the particles of matter in the universe attract each other through the force of gravity – Newton’s law tells us how strong that attraction is.
How did Isaac Newton come up with the universal law of gravitation?
Figure 1. According to early accounts, Newton was inspired to make the connection between falling bodies and astronomical motions when he saw an apple fall from a tree and realized that if the gravitational force could extend above the ground to a tree, it might also reach the Sun.
Can a gravitational theory predict the motion of the Moon?
The gravitational theory should also predict the observed acceleration of the Moon toward Earth as it orbits Earth, as well as of any object (say, an apple) dropped near Earth’s surface. The falling of an apple is something we can measure quite easily, but can we use it to predict the motions of the Moon?
Why does the Moon have the same force as the Earth?
This is because, as expected from Newton’s third law, if Earth exerts a force on the Moon, then the Moon should exert an equal and opposite force on Earth (see Figure 4).