Can we survived without gravity?

Q: Discuss weightlessness in space.

A: The astronaut in space felts weightlessness. In this astronaut feel zero weight of herself or…

Q: You are explaining to friends why astronauts feel weightless orbiting in the space shuttle, and they…

A: Write the expression for the acceleration due to gravity. Here, G represents the gravitational…

Q: Suppose you stood on top of a ladder that was so tall that you were four times as far from Earth's…

A: Given value: The distance r from the center is given as = four times of earth's radius Re

Q: How to prevent problem of weightlessness?

A: Weightlessness is a condition during free fall where gravitational effect is cancelled by inertial…

Q: In what kind of gravitational field are Newton’s laws valid?

A: Newton’s laws are an approximation of the gravitational effects. Thus, they are in weak…

Q: You are explaining to friends why an astronaut feels weightless orbiting in the space shuttle, and…

A: H = 460 km Known Radius of earth R = 6370 km

Q: Why does a person in free fall experience weightlessness, while a person falling at terminal…

A: A person experiences weightlessness when the only force acting on him is the gravitational force and…

Q: How does gravity works?

A: Each body has its own gravitational force. The gravitational force is attractive in nature. Gravity…

Q: Consider two balls are the same size but different masses like a bowling bowl and a beach ball which…

A: Force= mass x acceleration

Q: How does gravity work?

A: Gravity is an invisible force that pulls object toward each other. All the objects in the universe…

Q: Another friend says that the Moon’s gravity would prevent rocks dropping from the Moon to Earth, but…

A: Since the distance between the Moon and the Earth is very large, thus, the Earth’s gravitational…

Q: Example of weightlessness?

A: If there is no external contact force acting us, then we feel weightless.

Q: Another friend says that the Moon’s gravity would prevent rocks dropping from the Moon to Earth, but…

A: Solution:

Q: suppose you go from the earth to a planet where the acceleration of the gravity is 2.5m/s2 , on the…

A: The weight the person on the Earth is

Q: ut experiences weightlessness in

A: An astronaut experiences weightlessness in deep outer space

Q: Give examples of a body falling under gravity near the surface of the Earth

A: During free fall, the object is under the influence of gravity only.

Q: When going from a smaller circular orbit to a larger one, why do we speed up twice but end up with a…

A:

Q: If you were on an alien planet, where multiple sources of gravity were affecting you, would the…

A: The gravity simply means pulling all things toward ground. human body develop itself according to…

Q: Gravitational force acts on all bodies in proportion to their masses. Why, then, doesn't a heavy…

A: Given,Two masses which masses are m1 and m2 where (m1 > m2) .AccelerGiven,Two masses which masses…

Q: What is NEWTON’S LAW OF GRAVITATION?

A: Newton’s law of gravitation: According to the Newton, in the universe two object attracts each other…

Q: How is the Law of Universal Gravitation used to solve Physics word problems?

A:

Q: If Earth shrank with no change in its mass, what would happen to your weight at the surface?

A:

Q: What is Newton's Law of Universal Gravitation.

A:

Q: How does gravity affect the skater who starts at a same height among the Earth, Moon and Jupiter?

A:

Q: On which factors gravity between two planets depends?

A: The gravitational force (gravity) acting between two planets is expressed as:

Q: what is the differnce between apple faaliing and gravitational force

A: Let me tell you first the connection between both We all are aware of gravitational force and we…

Q: Why are we not thrown off the surface of Earth by cerntrifugal force?

A: We are not thrown off the surface of Earth by centrifugal force because the gravity pull on our body…

Q: Is it true that weightlessness is a lack of gravity

A: Yes, weightlessness is a sensation experienced by an individual when there are no external objects…

Q: What is the speed and period of the international space station provided that orbital radius is 6778…

A:

Q: do the two masses have the same acceleration

A: Acceleration a = Force /mass

Q: Why our mass reduces on moon?

A: Weight is not absolute quantity. It varies with the place and altitude.

Q: How could an astronaut in a space shuttle 'drop' an object vertically to Earth?

A: if an object has to fall vertically down wards towards the Earth then it must not possess any…

Q: A person weighs 60 kilograms here on the surface of the earth. If the acceleration due to gravity on…

A: GivenMass of person on earth ,M=60 kgAcceleration due to gravity on Mars ,gmars=3.7 m/s2

Q: By how much does the gravitational force that the Earth exerts on you change if you climb a palm…

A: Given data: A person climbs a palm tree.   Providing the man is pulling himself up at constant speed…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!