Advertisements
Advertisements
प्रश्न
The moment of a force 10 N about a point 0 is 4 Nm. Calculate the distance of point of application of force from the point 0.
उत्तर
Moment of force, torqu, τ = 4Nm
Apllied force, F = 10N
Distance from pivot, d =?
τ = F x d
⇒ d = τ / F = 4 / 10 = 0.4m
APPEARS IN
संबंधित प्रश्न
When a body moves in a circular path, how much work is done by the body? Give reason.
(Hint: The body is acted upon by the centripetal force.)
Work is a scalar quantity because it is a measure of transfer of energy without indicating any direction
State the condition when the work done by a force is negative. Explain with the help of examples.
In the following case write yes, if the work is being done and no if no work is being done.
A man moving on the rough ground.
State the condition when the work done by the force is negative.
What is the S.I. unit of work? Define it.
Relate 1 KWh (kilowatt hour) with joule.
State the C.G.S. unit of work. How it is related to its S.I. unit?
For the following scenarios, state whether the work done by gravity is positive, negative, or zero.
A person walks on a levelled road.
A boy weighing 50 kgf climbs up from the first floor at a height of 3 m above the ground to the third floor at a height of 9 m above the ground. What will be the increase in his gravitational potential energy? (Take g = 10 N kg-1).
