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Which of the following expressions represents impusle?

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Important Questions on Force and Pressure

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 The force of gravity acting on an object is also known as _____:
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A particle having a mass 0.5 kg is projected under gravity with a speed of 98 m sec-1 at an angle of 60°.  The magnitude of the change in momentum (in N sec) of the particle after 10 seconds is g=9.8 m s-2
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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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The work done in physics is defined:
(a)By force applied on an object, which cannot displace the object
(b)By displaced object
(c)By force applied to the object
(d) All the above

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For an object, potential energy at a height is known as _____.
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Average Power required to lift a weight of 80 kg at 40 m height for 50 s, (g=10 m/s2).
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As long as an unbalanced force is applied to a body, its continues to change continuously:

 

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A boat full of iron nails is floating on water in a lake. When the iron nails are removed, the water level ______.

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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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How much force will be used to displace an object of 60kg to a distance of 4m? 
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Which technique is used in the washing machine? 
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A force may change ___ of an object. 
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Weight of the body is:
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When an object moves on a circular path, the force that is exerted on the rotating object is called:

 

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What is the SI unit of Force?
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 Force of attraction between molecules of the same substance is called __________________.
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The product of mass and acceleration _____:

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_____ is caused due to irregularities between two surfaces.
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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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The angle between displacement and force applied when no work is done is: