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 potential due to the Earth is minimum at
Last Answer : The gravitational potential due to the Earth is minimum at (A) the centre of the Earth. (B) ... but not at its centre. (D) infinite distance.
Description : What factors do the gravitational potential energy stored between an object and earth depends on?
Last Answer : Feel Free to Answer
Description : What is the ball's change in gravitational potential energy as it falls from point 1 to point 3?
Last Answer : What is the ball's change in gravitational potential energy as it falls from point 1 to point 3?
Description : Work done on an object to bring it to certain point in space is called A. gravitational potential energy B. potential energy C. kinetic energy D. mechanical energy
Last Answer : kinetic energy
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 : 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 : 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 : 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 : The gravitational pull at the lunar surface is ---- of Earth? A. 1/3 B. 1/4 C. 1/5 D. 1/6 (Answer)
Last Answer : D. 1/6 (Answer)
Description : Intensity of gravitational field of earth is maximum at (1) Poles (2) Equator (3) Centre of earth (4) Surface
Last Answer : Poles
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 : Surface tension in a liquid is due to : (1) Adhesive force between molecules (2) Cohesive force between molecules (3) Gravitational force between molecules (4) Electrical force between molecules
Last Answer : (2) Cohesive force between molecules Explanation: Surface tension is a contractive tendency of the surface of a liquid that allows it to resist an external force. This property is caused by cohesion of similar molecules, and is responsible for many of the behaviors of liquids.
Description : A falling drop of rain water ac-quires the spherical shape due to – (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force
Last Answer : (2) Surface Tension Explanation: Raindrops start out as round high in the atmosphere as water collects on dust and smoke particles in clouds. But as raindrops fall, they lose their rounded ... the molecules stick together. The cause is the weak hydrogen bonds that occur between water molecules.
Description : A falling drop of rain water acquires the spherical shape due to (1) Viscosity (2) Surface Tension (3) Atmospheric pressure (4) Gravitational force
Last Answer : Surface Tension
Description : Surface tension in a liquid is due to : (1) Adhesive force between molecules (2) Cohesive force between molecules (3) Gravitational force between molecules (4) Electrical force between molecules.
Last Answer : Cohesive force between molecules
Description : Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 10^24 kg, R = 6400 km).
Last Answer : Calculate the acceleration due to gravity at a height of 300 km from the surface of the Earth. (M = 5.98 × 1024 kg, R = 6400 km).
Description : The variation of atmospheric potential is caused due to: (A) Difference in temperature over the surface of the earth (B) Change in the density of air (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (C) Both (a) and (b)
Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above
Last Answer : ANSWER: Z -- 250 JOULES
Description : A satellite orbits around the earth due to a.Celestial force b.Gravitational force c.Centrifugal force d.Centripetal force e.All of the above
Last Answer : c. Centrifugal force
Description : The tides in the sea are primarily due to – (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : Explanation: A tide is the periodic rising and falling of Earth's ocean surface caused mainly by the gravitational pull of the Moon acting on the oceans. The height of tides varies somewhat with the phases ... higher because the Sun's tidal force adds to the Moon's. This is called "spring tide".
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 : 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 : The tides in the sea are primarily due to (1) the atmospheric effect of the Earth (2) the gravitational effect of Venus on the Earth (3) the gravitational effect of the Sun on the Earth (4) the gravitational effect of the Moon on the Earth
Last Answer : the gravitational effect of the Moon on the Earth
Last Answer : gravitational pull
Description : The center of pressure of a surface subjected to fluid pressure is the point (A) On the surface at which resultant pressure acts (B) On the surface at which gravitational force acts (C) At which all hydraulic forces meet (D) Similar to metacentre
Last Answer : Answer: Option A
Description : Consider the following statements: 1. When a nerve fibre is stimulated, a profound change is produced in the electrical properties of surface membrane and in steady potential. 2. Upon excitation, the resting potentialis suddenly changed. 3. It is due ... 1, 2, 3 (b) 2, 3 (c) 1, 2, 3, 4 (d) 1, 2, 4
Description : Torricelli's theorem states that the velocity ‘v’ of the liquid emerging from the bottom of the wide tank is given by √(2gh). In practice, this velocity is: A. equal to √(2gh) B. greater than √(2gh) C. lesser than √(2gh) D. independent of height and gravitational field strength
Last Answer : lesser than √(2gh
Description : The statement that the sum of the kinetic and potential energies of a particle in the earth's gravitational field is constant is known as a.Principle of conservation of mechanical energy b.Law of gravitation c.Newton's law d.Principle of conservation of momentum e.Law of nature
Last Answer : a. Principle of conservation of mechanical energy
Description : What are the energy transfers of the six simple machines for example an incline plane is gravitational potential energy to mechanical energy. I want to know what are the other fives and for levers I would like to know class one and class 2?
Last Answer : \Delta E\Delta t\geq
Description : At the top of the first hill the cart has the highest (Gravitational) Potential Energy?
Last Answer : Yes.
Description : What is gravitational potential ?
Last Answer : The ability of an object to work when it works against a gravitational ball is called gravitational potential.
Description : What is the gravitational potential energy of a ceiling fan that has a mass of 7 kg and is 4 m above the ground?
Last Answer : Need answer
Description : What are Examples of storing gravitational potential energy?
Description : What is the similarities between chemical potential energy and gravitational potential energy?
Description : If an object is thrown up in the air how does its gravitational potential energy change?
Last Answer : The higher an object travels, the greater its potentialenergy.
Description : Gravitational potential has the dimensions of (a) M0L1T–2 (b) M0L2T–2 (c) M1L2T–2 (d) M1L1T–2
Last Answer : Ans:(b)
Description : Tides in the sea have stored in them : (1) Hydraulic energy (2) Kinetic energy (3) Gravitational potential energy (4) A combination of all the above three forms of energy
Last Answer : (3) Gravitational potential energy Explanation: Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation ... is channeled into a large basin behind the darn, holding a large amount of potential energy.
Description : Gravitational potential is always A. infinite B. zero C. positive D. negative
Last Answer : negative
Description : Gravitational potential is always A. positive B. negative C. zero D. infinity
Description : The energy that stored in a system as a result of its position in the earth’s gravitational field a. elastic energy b. kinetic energy c. potential energy d. flow energy
Last Answer : potential energy
Description : The work is stored in an inductor in form of.......: a. Elastic potential energy b. Kinetic energy c. Potential energy d. Gravitational potential energy
Last Answer : b. Kinetic energy
Description : The gravitational potential energy between two bodies is inversely proportional to: w) the cube of the distance x) the first power of the distance y) the square of the distance z) it has no relation to distance
Last Answer : ANSWER: X -- THE FIRST POWER OF THE DISTANCE
Description : The gravitational potential energy of an object close to the ground varies: w) inversely as its distance from the ground x) directly as its distance from the ground y) inversely as the square of its distance from the ground z) directly as the square of its distance from the ground
Last Answer : ANSWER: X -- DIRECTLY AS ITS DISTANCE FROM THE GROUND
Last Answer : Gravitational potential energy
Description : What On earth the weight and height of an object give an object what type of potential energy?
Last Answer : Gravitational potential energy. The formula for gravitationalpotential energy is weight x height, which is equal to mgh (mass xgravity x height).A+:)
Description : Consider the following statements: 1. Propagation of a nerve impulse in a myelinated nerve fibre is different from that of unmyelinated fibre. 2. The impulse actually travels by leaping through the nodes of Ranvier in an unmyelinated fibre 3. ... incorrect? (a) 1, 2 (b) 1, 3, 4 (c) 2 only (d) 2, 3
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 : 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?