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An object is dropped from a height onto the floor. Which one of the following remains uniform as it falls?

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Important Questions on Gravitation

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Physics>Mechanics>Gravitation>Acceleration Due to Gravity

Which among the following is the correct statement?
A. When an object is thrown upwards, then in any case whether going upwards or coming downwards its speed will remain the same. 
B. The weight of any object cannot be zero. 
 

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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
If the velocity of a body is doubled its momentum _____.
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
A force may change ___ of an object. 
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
If two forces 10N and 5N are applied on an object in the same direction, then what will be the total force applied on the object? 
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
What is the rate of doing work?
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
Odometer is used to measure _______:
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
A body of mass 8 kg is moving with a velocity of 4 m/s, find the momentum.
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
When a car starts suddenly from rest, the people are sitting inside the car more backward. This event is an example of:
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
After the explosion of a shell, many pieces fly off in different directions. In such a case, what is conserved? 
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
Which of the following is the kinetic energy? 
a. bullet from the gun.
b. a railway engine at a fast speed.
c. the motion of an ordinary pendulum. 
 
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
How much force will be used to displace an object of 60kg to a distance of 4m? 
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
The angle between displacement and force applied when no work is done is:
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
_____ is caused due to irregularities between two surfaces.
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
For an object, potential energy at a height is known as _____.
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
______ is caused due to irregularities between two surfaces:
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
If a girl weighing 40N climbs up a rope with the force of 160W for 20seconds, then what height will she climb? 
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
As long as an unbalanced force is applied to a body, its continues to change continuously:

 

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Physics>Mechanics>Gravitation>Acceleration Due to Gravity

What is the energy possessed by a body due to its motion is called?

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Physics>Mechanics>Gravitation>Acceleration Due to Gravity
A body rolling down on a hill has _____:
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Physics>Mechanics>Gravitation>Acceleration Due to Gravity

A particle in the medium completes 40 vibrations in 2.5 s. The frequency of the wave is ____: