Description : The weight of an object at the poles is greater than at the equator. This is because (a) Of the shape of the earth (b) The attraction of the moon is maximum at the earth’s surface (c) The attraction of the sun is maximum at the earth’s surface (d) Gravitational pull is more at the poles
Last Answer : Ans:(d)
Description : A pulsar is a rapidly spinning neutron star which emits: A. A blinding light when it aligns with the planets B. Radio waves detectable from Earth (Answer) C. A gravitational pull which attracts high energy dust particles D. Enough energy to power itself indefinitely
Last Answer : B. Radio waves detectable from Earth (Answer)
Description : A body can escape the gravitational pull of the earth if it is thrown up with a velocity of? A. 25 miles per sec b ) 60 miles per sec C. 7 miles per sec (Answer) D. 10 miles per sec E. None of these
Last Answer : C. 7 miles per sec (Answer)
Description : Which of the following is a result of Surface tension? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation
Last Answer : (3) Capillary action Explanation: Capillary action is the result of adhesion and surface tension. Adhesion of water to the walls of a vessel will cause an upward force on the liquid at the edges ... intact, so instead of just the edges moving upward, the whole liquid surface is dragged upward.
Description : A tachometer is a device used to measure (1) gravitational pull (2) speed of rotation (3) surface tension (4) dispersive power
Last Answer : speed of rotation
Description : Which of the following is a result of Surface tension ? (1) Gravitational pull (2) Viscosity (3) Capillary action (4) Radiation
Last Answer : Capillary action
Description : If Earth increases its mass, how would that affect the gravitational pull a person experiences on Earth?
Last Answer : The gravitation pull will increase relative to the amount of increased mass.The Mass of the Objects The more mass two objects have, the greaterthe force of gravity the masses exert on each other. If one of the massesis doubled, the force of gravity between the objects is doubled.
Description : What type tide is created when the Sun's gravitational pull on Earth is at its least?
Last Answer : A larger, more powerful tide to the side of the moon, and aweaker, smaller tide toward the sun
Description : Atmospheric pressure exerted on earth is due to : (1) rotation of earth (2) revolution of earth (3) gravitational pull (4) uneven heating of earth
Last Answer : (3) gravitational pull Explanation: The atmosphere is made up of gasses. Gasses are physical substances, and all physical substance has weight. The atmosphere is 25 miles thick, and that 25 miles ... square inch because of the gravitational pull. That's how atmosphere exerts pressure on the earth.
Description : Tides are caused by the gravitational pull of the – (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth
Last Answer : (3) Sun and Moon on the Earth Explanation: Tide-generating forces (TGF) are a result of the gravitational attraction between the earth, the sun, and the moon and the centrifugal force ... 's surface creates a horizontal force directed towards the surface points closest and farthest from the moon.
Description : The weight of a body is due to (A) Centripetal force of earth (B) Gravitational pull exerted by the earth (C) Forces experienced by body in atmosphere (D) Gravitational force of attraction towards the centre of the earth
Last Answer : (D) Gravitational force of attraction towards the centre of the earth
Description : Satellites burn off during re-entry to earth's atmosphere, because of the (A) Combustion with air (B) Gravitational pull by earth (C) Friction with earth's atmospherch
Last Answer : Option C
Description : Satellites burn off during re-entry to earth's atmosphere, because of the (A) Combustion with air (B) Gravitational pull by earth (C) Friction with earth's atmosphere (D) Loss in weight of the satellite
Description : Tides are caused by the gravitational pull of the (1) Earth on the Moon (2) Earth on the Sun (3) Sun and Moon on the Earth (4) Moon on the Earth
Last Answer : Sun and Moon on the Earth
Last Answer : gravitational pull
Description : Most important effect of the moon on earth is that it------? A. Causes weather change B. Causes earthquakes C. Causes solar and lunar eclipse D. Effects tides of the ocean (Answer)
Last Answer : D. Effects tides of the ocean (Answer)
Description : The Lunar eclipse occurs when: A. Moon is b/w the earth and the sun B. Earth is b/w the sun and the moon (Answer) C. Sun is b/w the earth and the moon D. Earth is at right angles to the direction of the sun and the moon
Last Answer : B. Earth is b/w the sun and the moon (Answer)
Description : Why does man weigh more at the poles than at the equator? (a) Because there is no atmosphere at the poles (b) Because gravitational pull is more at the poles (c) Because gravitational pull is less at the poles (d) None of the above
Last Answer : Ans:(b)
Description : What does the sun's gravitational pull keep in orbit?
Last Answer : Planets, asteroids, meteors, comets, moons (which are also inorbit around their respective planets), dust particles,interplanetary gas.
Description : What would happen if the sun's gravitational pull was increased?
Last Answer : we would probably die
Description : The cause for the Tsunami, as deduced by the seismologists, is – (1) Gravitational pull of the moon (2) Low pressure trough in the ocean (3) Deformation of sea floor and vertical displacement of water (4) Sudden change in the monsoon wind
Last Answer : (3) Deformation of sea floor and vertical displacement of water Explanation: Earthquakes, volcanic eruptions and other underwater explosions (including detonations of underwater nuclear devices), landslides, ... the sea, the water above the deformed area is displaced from its equilibrium position.
Description : A satellite stay in orbit because the following two factors are balanced A. Satellite weight and speed B. Gravitational force and centrifugal force C. Centripetal force and speed D. Satellite weight and the pull of the moon and sun
Last Answer : B. Gravitational force and centrifugal force
Description : The rupture and fractionation do not usually occur in the water column in vessel/tracheids during the ascent of sap because of (a) weak gravitational pull (b) transpiration pull (c) lignified thick walls (d) cohesion and adhesion
Last Answer : (d) cohesion and adhesion.
Description : The cause for the Tsunami, as deduced by the seismologists, is (1) gravitational pull of the moon (2) low pressure trough in the ocean (3) deformation of sea floor and vertical displacement of water (4) sudden change in the monsoon wind
Last Answer : deformation of sea floor and vertical displacement of water
Description : The gravitational field intensity is maximum at the a.107 dynes b.at a height above the surface c.pole d.equator e.centre of the earth
Last Answer : e. centre of the earth
Description : The gravitational field at the surface of the moon is one sixth of that at the surface of the earth. A 72 kg man weighs on the surface of the moon a.137.7 N b.250 c.72 N d.420 N e.117.7 N
Last Answer : e. 117.7 N
Description : What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of the Earth,
Last Answer : What is the gravitational potential due to the Earth at a point which is at a height of 2RE above the surface of ... and G = 6.67 10-11 Nm2 kg-2.
Description : At which place on the Earth surface the gravitational acceleration minimum? Why?
Last Answer : At which place on the Earth surface the gravitational acceleration minimum? Why?
Description : Intensity of gravitational field of earth is maximum at – (1) Poles (2) Equator (3) Centre of earth (4) Surface
Last Answer : (1) Poles Explanation: perfect sphere of spherically uniform density (density varies solely with distance from centre) would produce a gravitational field of uniform magnitude at all points on ... are consequently slight deviations in both the magnitude and direction of gravity across its surface.
Description : Intensity of gravitational field of earth is maximum at (1) Poles (2) Equator (3) Centre of earth (4) Surface
Last Answer : Poles
Description : What are creative ways to commit murder on the lunar surface?
Last Answer : Forcing the astronauts to eat all that cheese at once, without any crackers and wine.
Description : To an observer on the lunar surface, during the day time, how will the sky appear? -Do You Know?
Last Answer : answer:
Description : To an observer on the lunar surface, during the day time, how will the sky appear?
Last Answer : Black
Description : A lunar eclipse occurs when (a) the sun, the moon and the earth are not in the same line (b) the moon comes between the sun and the earth (c) the earth comes between the sun and the moon (d) the sun comes between the earth and the moon
Last Answer : Ans:(c)
Description : The satellite moves in a circle around the earth. The radius of this circle is equal to one-half the radius of the moons orbit. The satellite will complete one revolution in a.1 lunar month b.2-3/4 lunar month c.2-2/3 lunar month d.None of the above e.
Last Answer : e. None of the above
Description : A lunar eclipse occurs when the Earth comes between the Sun and the Moon. -General Knowledge
Last Answer : When the Moon passes between Sun and Earth, the lunar shadow is seen as a solar eclipse on Earth. When Earth passes directly between Sun and Moon, its shadow creates a lunar eclipse. Lunar eclipses can only ... the Moon is opposite the Sun in the sky, a monthly occurrence we know as a full Moon.
Description : When does the moon come between the Sun and earth? (1) Lunar eclipse (2) Solar eclipse (3) Sidereal day (4) Full moon day
Last Answer : (2) Solar eclipse Explanation: As seen from the Earth, a solar eclipse occurs when the Moon passes between the Sun and Earth, and the Moon fully or partially blocks the Sun. This can happen only ... is fully obscured by the Moon. In partial and annular eclipses only part of the Sun is obscured.
Description : In how many parts the shadow of earth is divided during solar or lunar eclipse
Last Answer : Two
Last Answer : Solar eclipse
Description : Lunar eclipse occurs on-----? A. New Moon B. Full Moon (Answer) C. Half Moon D. Quarter Moon
Last Answer : B. Full Moon (Answer)
Description : Mass of Earth when it's radius is 6400 km and gravitational field strength is 9.81 N kg-1 is A. 6.0 × 1024 kg B. 5 × 1023 kg C. 40 × 109 kg D. 9 × 1024 kg
Last Answer : 5 × 1023 kg
Description : Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6 × 10^24 kg,
Last Answer : Calculate the value of the universal gravitational constant from the given data. Mass of the Earth = 6 ... to gravity on the surface = 9.8 m/s2.
Description : Calculate the mass and mean density of the earth from the following data : `{:(,"Gravitational constant",(G),=6.6xx10^(-11)Nm^(2)kg^(-2)),(,"Radius of
Last Answer : Calculate the mass and mean density of the earth from the following data : `{:(,"Gravitational constant",(G),=6. ... to gravity",(g),=9.8ms^(-2)):}`
Description : The principle of conservation of energy cannot be applied in case of a.Flow of water in a pipe b.A particle moving in gravitational field c.Frictional movement of a particle over a surface d.Frictionless movement of a principle over a surface e.Simple pendulum
Last Answer : c. Frictional movement of a particle over a surface
Description : Draw a graph showing the variation of gravitational acceleration due to the depth and altitude from the Earth’s surface.
Last Answer : Draw a graph showing the variation of gravitational acceleration due to the depth and altitude from the Earth’s surface.
Description : At which place on the Earth’s surface is the gravitational acceleration maximum? Why?
Last Answer : At which place on the Earth’s surface is the gravitational acceleration maximum? Why?
Description : Which characteristic of the Sun primarily determines the orbits of planets in our solar system A Large volume B Strong gravitational field C Mostly made of hydrogen D High surface temperatures?
Last Answer : B (gravity)