Sawaal
4
Q:

The force that keeps a body in a circular motion called 

A) the centripetal force B) the centrifugual force
C) the frictional force D) all the above

Answer:   A) the centripetal force



Explanation:

without this centripetal force, circular motion is not possible. It acts radially towards the centre and if this force is removed there will be no circular motion but the revolving body will fly off at a tangent.

Subject: Physics
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An object, starting from rest, moves with constant acceleration of 4 m/s2. After 8 s, its speed is

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1 watt is equal to 1 ____________

 

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A body is initially moving with a velocity of 10 m/s. It undergoes an acceleration of 2 m/s2 for 5 seconds. Find the displacement (in m) of this body in these 5 seconds.

 

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