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frictional force
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What is present when work is done?
In physics work is dome when a force acts on a body and the body moves in the direction of the force.
Write the formula for the work done on a body when a force acts on the body in the direction of its displacement?
WORK = FORCE x DISPLACEMENT
If an unbalanced force acts on a body what will happen?
According to Newton's first law of motion, as a force acts on a body then the body gets accelerated in the direction of the force.
Can a centripetal force ever do work on an object. explain?
Centripetal force refers to the force that acts on a body moving in a circular path. It does not do work on an object because it acts perpendicular to the motion of the body. The work done on a rotating object is zero.
How can you relate a force with the change of a momentum of a body?
Change of the body's momentum = (force on the body) x (length of time the force acts on it)
How can you related of force with the change of momentum of a body?
Change of the body's momentum = (force on the body) x (length of time the force acts on it)
How can you relate a force with the change of momentum of a body?
Change of the body's momentum = (force on the body) x (length of time the force acts on it)
What is the size of the force multiplied by the distance through which the force acts?
Work W. The dot product of Force and Distance through which the force acts is called Work . W=F.d
Does an action -reaction force pairs acts on the same body?
Reaction pairs work on the same things and in opposite directions.
CENTRIPETAL?
A force that acts on a body moving in a circular path and is directed around the object which the body is moving
What is a body on which no net force acts is said to be in?
its einterianianms
Which term is defined as the size of the force multiplied by the distance through which the force acts?
work work
