What is the speed of gravity?

1 Answer

Answer :

I think you mean FORCE not SPEED Speed: read this Force: read this

Related questions

Description : How can the gravity be a constant if that of the earth is, say, six times weaker of the moon? Or inversely, how can be six time weaker than the earth when it is a constant?

Last Answer : That constant only holds here on earth. On the moon it’s like one sixth of that.

Description : Each time a ball bounces, gravity reverses. Will it reach relativistic speeds?

Last Answer : answer:No, gravity creates a constant increase in speed per second, that fherefore will be smaller after wvery bounce. (At higher speeds, the ball will have a shorter time before it reaches its ... while the speed increase will decrease between each bounce. These will converge. And congrats on 10K!

Description : When faced with headwind while cycling, does gravity come in the equation?

Last Answer : No, gravity has no different effect. But the effect of a headwind is like climbing a hill, a 10 mph (16 kph) headwind is like a 2% grade.

Description : What might be different ways to surf on gravity waves?

Last Answer : In an ion charged Pin Striped Leisure Suit of course!

Description : Aren't gravity and magnets related strongly to one another, and if yes, wouldn't that give us our TOE?

Last Answer : all I understand this is a naive argument, but it would be a pleasure knowing your take on it :)

Description : A couple questions about gravity.

Last Answer : answer:1. If you go to the exact center of the earth you will be weightless as the mass of the Earth will be equal on all sides. 2. This is a question is simple oscillation. The ball ... another, slowly losing energy and then ultimately rest in the middle. Think of a pendulum on a grandfather clock.

Description : A broom balances at it's center of gravity. If you cut the broom in half at the center of gravity and weigh each part of the broom, which end would weigh more.

Last Answer : Is this a trick question? Reminds me of “What weighs more, a pound of feathers or a pound of bricks?”

Description : Is air effected by gravity?

Last Answer : Yes, it is pulled to Earth at 9.8 m/s^2

Description : How do space ships make artificial gravity? -Physics

Last Answer : Despite the fact that outer space is brimming with gravity, the lack of solid ground in space means that objects without thrust are in a continual state of free fall, and free fall feels just like zero ... Hope it helps :) Stay Safe, Stay Curious, Keep Learning, Keep Growing..... Thankyou!!!

Description : Can gravity form waves? -Physics

Last Answer : Yes, gravity can forms waves. Gravitational waves are ripples in spacetime that travel through the universe. General relativity describes gravity as a warping or curvature of space and time. All ... . Artistic conception of gravitational waves. Public Domain Image, source: R. Hurt/Caltech-JPL.

Description : In a construction site, a crane lifts 1000 kg of concrete mix to roof top at a height of 20 meters in 50 seconds. If the value of gravity 'g' due to earth is 10 m s-2, the power of elevator will be. -Physics

Last Answer : 4 KW (kilowatt)

Description : What is the force of gravity ?

Last Answer : When the earth applies gravitational force on an object, it is called gravitational force.

Description : What is micro gravity ?

Last Answer : Micro gravity means low or small or almost zero gravity. Microgravity is used in material research . When a coin is thrown up, it stays in the micro-gravity until it falls to the ground. So ... used. In micro-gravity the force of gravity on the material particles is negligible or very negligible .

Description : What is the center of gravity of an object ?

Last Answer : The center of gravity of an object is a.

Description : What is the force of gravity ?

Last Answer : Gravitational force: The force of attraction between any two objects in the universe is called gravitational force. The gravitational force is the weakest of the four balls. The planets revolve around the Sun due to the gravitational ball. The scales of gravity extend to infinity.

Description : Why is fire round if there is no force of gravity ?

Last Answer : The force of gravity means that if there was no pull of the earth, the shape of the flame of fire would be round! If there was a force of gravity, the air near the flame would heat up and light ... due to the surrounding wind. And if all the surrounding oxygen was burned, it would go out on its own.

Description : What is the force of gravity ?

Last Answer : The attraction between the earth and an object is called gravity.

Description : What is gravity ?

Last Answer : The force of attraction between any two objects in the universe is called gravity.

Description : What is gravity ?

Last Answer : : The force of gravity that acts between the earth and another object is called gravity.

Description : What is the center of gravity of an object ? What is the center of gravity of the object ?

Last Answer : The point at which the mass of an object is considered to be centered is called the center of mass of that object .

Description : The sensation of weightlessness in a spacecraft in an orbit is due to the - (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside ... of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Last Answer : (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside Explanation: Weightlessness in space is caused by the simple physical factors that cause the limitation of gravity. ... . Many people believe that a lack of gravity is the root cause for weightlessness in space.

Description : It is easier to carry two buckets of water in one hand each, than to carry only one in one hand because – (1) weights of buckets are balanced (2) centre of gravity falls within the body (3) centre of gravity and centre of equilibrium fall within the feet (4) resultant weight of buckets is zero

Last Answer : (3) centre of gravity and centre of equilibrium fall within the feet Explanation: When the buckets containing equal amount of water are held in both hands, weight is spaced out more evenly than it ... centre of gravity and the centre of equilibrium should fall, in the present case, within the feet.

Description : If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Last Answer : (2) Surface area of the bottom of the vessel Explanation: The pressure exerted by a static fluid depends only upon the depth of the fluid, the density of the fluid, and the acceleration of gravity. Static fluid pressure does not depend on the shape, total mass, or surface area of the liquid.

Description : If we want to calculate the pressure of a liquid at the bottom of a vessel, the quantity which is not required to determine it, is – (1) Height of the liquid column (2) Surface area of the bottom of the vessel (3) Density of the liquid (4) Acceleration due to gravity at the bottom of the vessel

Last Answer : (2) Surface area of the bottom of the vessel Explanation: The pressure exerted by a static fluid depends only upon the depth of the fluid, the density of the fluid, and the acceleration of gravity.

Description : Specific gravity is defined as the ratio of – (1) density of the substance to the density of water (2) density of the substance to the density of water at 0°C (3) density of water at 4°C to the density of the substance (4) density of the substance to the density of water at 4°C

Last Answer : (1) density of the substance to the density of water Explanation: Specific gravity is the ratio of the density of a substance to the density (mass of the same unit volume) of a reference substance. The reference substance is nearly always water for liquids or air for gases.

Description : A person can jump higher on the moon's surface than on the earth because – (1) the moon's surface is rough (2) the acceleration due to gravity in moon is smaller than that on the earth. (3) the moon is cooler than earth (4) the moon has no atmosphere

Last Answer : (2) the acceleration due to gravity in moon is smaller than that on the earth. Explanation: The acceleration due to the gravitational field of moon (g' = 1.62631 ms-2) is one-sixth of the acceleration due ... earth. It is due to this reason; a man can jump six times higher on moon than on earth.

Description : Water is used in a hot water bag because – (1) It is easily available (2) It has high specific gravity (3) It has high specific heat (4) It is a liquid substance

Last Answer : (3) It has high specific heat Explanation: Water has the highest specific heat of any known substance except hydrogen; that is, it requires more heat to raise the temperature of water a definite ... to raise the temperature of an equal amount of any other substance the same number of degrees.

Description : If there were no gravity, which of the following will not be there for a fluid? (1) Viscosity (2) Surface Tension (3) Pressure (4) Upward Thrust

Last Answer : (4) Upward Thrust Explanation: If there is no gravity, there will not be any upward thrust to keep a liquid buoyant. Whenever a body is placed in a fluid, the fluid applies resultant up ... gravity at the given place. Up thrust increases with increase in acceleration due to gravity and vice versa.

Description : The weight of a body acts through the centre of – (1) gravity (2) mass (3) both (1) and (2) (4) buoyancy

Last Answer : (1) gravity Explanation: The centre of gravity of a collection of masses is the point where all the weight of the object can be considered to be concentrated. The entire weight acts through the center of ... to the surface of the Earth) the Centres of Gravity and Mass are in exactly the same place.

Description : The point where total mass of a body is supposed to be concentrated is known as – (1) Dead centre (2) Centre of mass (3) Centre of gravity (4) Centre of motion

Last Answer : (2) Centre of mass Explanation: The centre of mass of a body or a system of particles is defined as a single point at which the whole mass of the body or system is imagined to be concentrated and ... applied forces acts at that point. It is that point that moves when forces are applied on the body.

Description : Why is weightlessness experienced while orbiting the earth in space ships? (1) Inertia (2) Acceleration (3) Zero gravity (4) None of these

Last Answer : (4) None of these Explanation: The reason astronauts experience weightlessness which orbiting the earth in spaceships is that they are in free fall. A spacecraft in orbit is falling towards the Earth, because ... in its orbit fast enough that the path it follows is a curve that is a closed ellipse.

Description : The rotational effect of a force on a body about an axis of rotation is described in terms of the (1) Centre of gravity (2) Centripetal force (3) Centrifugal force (4) Moment of force

Last Answer : (4) Moment of force Explanation: The rotational effect of a force on a body about an axis of rotation is described in terms of the Moment of force.

Description : If a body weighs 12N on the surface of the earth, how much will it weigh on the surface of the moon where acceleration due to gravity is only one-sixth of that on earth's surface? (1) 12N (2) 2N (3) 10N (4) 6N

Last Answer : (2) 2N Explanation: Weight is mass x g. Since mass is constant and g is only 16thof that on the earth. The weight on the moon is only 16th of that on the earth.

Description : How can we measure specific gravity of milk? (1) Using a viscometer (2) Using an odometer (3) Using a hygrometer (4) Using a hydrometer

Last Answer : (4) Using a hydrometer Explanation: A hydrometer is an instrument that measures the specific gravity of liquids the ratio of the density of the liquid to the density of water.

Description : Why the Earth is having its own atmosphere? (1) Winds (2) Clouds (3) Gravity (4) Rotation of the Earth

Last Answer : (3) Gravity Explanation: Due to gravity, our Earth has an atmosphere, Gravity causes the gases to be held close to the earth instead of escaping into outer space.

Description : The rotational effect of a force on a body about an axis of rotation is described in terms of the (1) Centre of gravity (2) Centripetal force (3) Centrifugal force (4) Moment of force

Last Answer : (4) Moment of force Explanation: The rotational effect of a force on a body about an axis of rotation is described in terms of the Moment of force.

Description : When a piece of stone is immersed in water, it displaces water of equal – (1) Density (2) Specific gravity (3) Mass (4) Volume

Last Answer : (3) Mass Explanation: Archimedes' Principle states that upward buoyant force exerted on a body immersed in a fluid is equal to the weight of the fluid the body displaces.

Description : The centre of gravity of a sprinter during the race lies – (1) Ahead of his feet (2) Behind his feet (3) At the centre of the body (4) To the left side of the body

Last Answer : (1) Ahead of his feet Explanation: Running is a means of terrestrial locomotion allowing humans and other animals to move rapidly on foot. It is simply defined in athletics terms as a gait in ... are kept mostly straight and the center of gravity vaults over the legs in an inverted pendulum fashion.

Description : As we go from Equator to North pole the value of `S, the acceleration due to gravity (1) remains the same (2) decreases (3) increases (4) None of the above

Last Answer : (3) increases Explanation: The acceleration due to gravity of earth is the rate of increase of velocity of a body falling freely towards the earth. At a given place, the value of acceleration due to gravity ... out at the equator. The value of 'g' is minimum at the equator and maximum at the poles.

Description : The atmospheric air is held to the Earth by – (1) gravity (2) winds (3) clouds (4) rotation of the Earth

Last Answer : (1) gravity Explanation: The atmosphere is an ocean of air held in place by gravity, extending from the surface to an altitude of hundreds of kilometers, the edge of space. Energy from the sun heating the air and land surface to different degrees, drives atmospheric circulation.

Description : An aircraft can perform aerobatic manoeuvres in a vertical loop because of- (1) gravity (2) centripetal force (3) weight (4) centrifugal force

Last Answer : (1) gravity Explanation: It happens because of gravity. A key feature of super maneuvering aircrafts is a high thrust-to-weight ratio; that is, the comparison of the force produced by the engines to the aircraft's weight, which is the force of gravity on the aircraft.

Description : Small bubbles are perfectly spherical because of – (1) Gravity (2) Pressure (3) Viscosity (4) Surface tension

Last Answer : (4) Surface tension Explanation: Surface tension is responsible for the shape of liquid droplets. Although easily deformed, droplets of water tend to be pulled into a spherical shape by the cohesive ... shape minimizes the necessary "wall tension" of the surface layer according to Laplace's law.

Description : Safety fuse wire used in domestic electrical appliances is made of metal of low (1) Resistance (2) Melting point (3) Specific gravity (4) Conductance

Last Answer : (2) Melting point Explanation: The fuse wire is based on the Joules law of heating which says that when the electric current is allowed to pass through a conductor, the conductor heats up and is ... . For this purpose the material used as fuse wire should have high resistance and low melting point.

Description : Materials for rain proof coats and tents owe their water proof properties to – (1) Surface tension (2) Viscosity (3) Specific gravity (4) Elasticity

Last Answer : (1) Surface tension Explanation: Materials for rain proof coats and tents owe their water proof properties to Surface Tension. The surface of a liquid behaves like an elastic membrane and therefore, has a tendency to contract. This property of liquid is called Surface Tension.

Description : Assuming uniform density of the core, the acceleration due to gravity below the Earth's surface is A. inversely proportional to the square of the distance from the center of the Earth ... center of the Earth D. directly proportional to the distance from the center of the Earth

Last Answer : directly proportional to the distance from the center of the Earth

Description : Point where all weight of object acts is called A. central point B. center of gravity C. edge D. center of mass

Last Answer : center of gravity

Description : Center of gravity of an irregular body lies on the A. edge B. center of body C. point of intersection of lines D. along the axis of rotation

Last Answer : point of intersection of lines

Description : If a student drops a stone from a cliff of height 30 m and the time it takes to reach the ground is 2.6 s, then the acceleration due to gravity isA. 9 m s-2 B. 10 m s-2 C. 4 m s-2 D. 8.8 m s-2

Last Answer : 8.8 m s-2

Description : Only force acting on a bouncing ball is A. gravity B. weight of ball C. friction D. a and b both

Last Answer : a and b both

Description : Assuming constant gravity and no air resistance, the path of a cannonball fired from a cannon is: w) a semi-circle x) an ellipse y) a parabola z) a hyperbola

Last Answer : ANSWER: Y -- A PARABOLA