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When you sit on a chair, the resultant force on you is.

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Important Questions on Ratio and Proportion

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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance

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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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
If the velocity of a body is doubled its momentum _____.
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
A force may change ___ of an object. 
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
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? 
MEDIUM
Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
What is the rate of doing work?
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
Odometer is used to measure _______:
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
A body of mass 8 kg is moving with a velocity of 4 m/s, find the momentum.
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
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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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
After the explosion of a shell, many pieces fly off in different directions. In such a case, what is conserved? 
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
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. 
 
MEDIUM
Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
How much force will be used to displace an object of 60kg to a distance of 4m? 
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
The angle between displacement and force applied when no work is done is:
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
_____ is caused due to irregularities between two surfaces.
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
For an object, potential energy at a height is known as _____.
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
______ is caused due to irregularities between two surfaces:
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
If a girl weighing 40N climbs up a rope with the force of 160W for 20seconds, then what height will she climb? 
MEDIUM
Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
As long as an unbalanced force is applied to a body, its continues to change continuously:

 

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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance

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

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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance
A body rolling down on a hill has _____:
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Numerical Ability>Arithmetic>Ratio and Proportion>Time, Speed and Distance

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