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Write acceleration due to gravity value on the surface of Earth. - Science and Technology 1

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प्रश्न

Write acceleration due to gravity value on the surface of Earth.

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उत्तर

Acceleration due to gravity value on the surface of earth is 9.8 m/s2.

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अध्याय 1: Gravitation - Solve the following Questions

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संबंधित प्रश्न

What is the acceleration of free fall?


A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate

  1. the maximum height to which it rises.
  2. the total time it takes to return to the surface of the earth.

A stone is thrown vertically upward with an initial velocity of 40 m/s. Taking g = 10 m/s2, find the maximum height reached by the stone. What is the net displacement and the total distance covered by the stone?


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.


What force is responsible for the earth revolving round the sun ?


During a free fall, will heavier objects accelerate more than lighter ones ?


What do you understand by the term 'acceleration due to gravity of earth' ?


Why does a sharp knife cut objects more effectively than a blunt knife ?


Solve the problem.

If the mass of a planet is eight times the mass of the Earth and its radius is twice the radius of the Earth, what will be the escape velocity for that planet?


What will be the weight of a person on earth, who weighs 9N on the moon?


A ball falls off a table and reaches the ground in 1 s. Assuming g=10 m/s2, calculate its speed on reaching the ground and the height of the table.


i) If g = GM/r2 then where will the value of g be high at Goa Beach or on top of Mount Everest? 


A metal ball of mass 5 kg falls from a height of 490 m. How much time it will take to reach the ground? (g = 9.8 m/s2)


A force of 10 N acts on a body of mass 5 kg. Find the acceleration produced.


A force acts for 0.1 s on a body of mass 2.0 kg initially at rest. The force is then withdrawn and the body moves with a velocity of 2 m s-1. Find the magnitude of the force. 


An object falling freely from rest reaches ground in 2 s. If acceleration due to gravity is 9.8 m s-2, then the velocity of object on reaching the ground will be 


What is escape velocity? 


Free fall of an object does not depend on the mass of the object.


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.


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