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प्रश्न
Define acceleration due to gravity.
उत्तर
The acceleration produced in a body under the influence of the force of gravity alone is called acceleration due to gravity.
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संबंधित प्रश्न
A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate
- the maximum height to which it rises.
- the total time it takes to return to the surface of the earth.
A stone is allowed to fall from the top of a tower 100 m high and at the same time another stone is projected vertically upwards from the ground with a velocity of 25 m/s. Calculate when and where the two stones will meet.
A ball thrown up vertically returns to the thrower after 6 s. Find
- the velocity with which it was thrown up,
- the maximum height it reaches, and
- its position after 4 s.
When an object is dropped from a height, it accelerates and falls down. Name the force which accelerates the object.
State whether the following statement is true or false :
A falling stone also attracts the earth.
During a free fall, will heavier objects accelerate more than lighter ones ?
Explain why, if a stone held in our hand is released, it falls towards the earth.
What do you understand by the term 'acceleration due to gravity of earth' ?
What is the usual value of the acceleration due to gravity of earth ?
i) If g = GM/r2 then where will the value of g be high at Goa Beach or on top of Mount Everest?
The acceleration produced in a body by a force of given magnitude depends on
A force of 15 N acts on a body of mass 2 kg. Calculate the acceleration produced.
How is the acccelaration due to gravity on the surface of the earth realted to its mass and radius ?
What force, in newton, your muscles need to apply to hold a mass of 5 kg in your hand? State the assumption.
What is the acceleration due to gravity?
What is escape velocity?
What do you understand by the free fall?
The value of gravitational acceleration (g) is ________.
Write scientific reason.
The value of gravitational acceleration (g) is taken to be -g when studying the motion of an object thrown upwards in a straight line.
The mass and weight of an object on earth are 5 kg and 49 N respectively. What will be their values on the moon? Assume that the acceleration due to gravity on the moon is 1/6th of that on the earth.
