Explain phase of weightlessness , Physics

Assignment Help:

The phase of weightlessness may be observed in the following situations:

(i) When objects fall freely under gravity : For example, a lift goes down freely, or an airship showing a feat in which it falls freely for a few seconds in the mean whereas its flight, are in state of weightlessness.

(ii)When a satellite revolves in its orbit around the earth: Weightlessness poses many serious problems to the astronauts. It seems quite complex for them to control their positions. Everything in the moon has to be saved tied down.

(iii) When bodies are at null points in outer space : On a body shown up, the force of the earth goes on reducing, but at the similar time the gravitational force of the moon on the body goes on enhancing. At one point, the two gravitational forces may be equal and opposite and the net pull on the body converts to zero. This is zero gravity fields or the null point and the body in question is said to appear weightless.   

 


Related Discussions:- Explain phase of weightlessness

What is direction of the current, Q. What is direction of the current? ...

Q. What is direction of the current? The path of the magnetic field at the centre of a horizontal current-carrying loop of wire is straight downward. The magnetic field is affe

Fsdfasdf, #questidfasdfasdfasdfasdfon..

#questidfasdfasdfasdfasdfon..

Diffrence between centroid and center of gravity?, There are two major diff...

There are two major differences between "center of gravity" and "center of mass": 1) The term "center of gravity" aplies to the bodies with mass and weight, while the term "cent

Explain kirchoff''s voltage law, Kirchoff's Voltage Law determines that th...

Kirchoff's Voltage Law determines that the algebraic sum of the products of currents and resistances in every of the conductors in any closed path in a network plus the algebraic

Optical fiber.., describe optical fiber communication with block diagram

describe optical fiber communication with block diagram

Linear-shm, A particle executes linear some with an amplitude if 2 cm.when ...

A particle executes linear some with an amplitude if 2 cm.when the particle is at 1cm from the mean position the magnitude of its velocity is equal to that of its acceleration.Then

What affect does electricity have on soil, What affect does electricity hav...

What affect does electricity have on soil? Electrical current and ions can cause definite molecules (and moisture) to adhere to soil. Large amounts of current, like a lightning

Determine the vertical support reactions, The I beam weighs 0.6kN/m and sup...

The I beam weighs 0.6kN/m and supports the load which is P33 kN as shown. The distance from the load to point B is P34 m.  Determine the vertical support reactions at A and B.  (A

Magnetic force does the wire experience, Consider a 10 cm long portion of a...

Consider a 10 cm long portion of a straight wire having a current of 10 A placed in a magnetic field of 0.1 T making an angle of 530  with the wire. What magnetic force does the wi

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd