Advertisements
Advertisements
प्रश्न
What do you understand by the clockwise and anti clockwise moment of force?
Advertisements
उत्तर
If the turning effect on the body is clockwise, moment of force is called the clockwise moment and is taken as negative.
If the turning effect on the body is anticlockwise, moment of force is called the anticlockwise moment and is taken as positive.
APPEARS IN
संबंधित प्रश्न
A boy weighing 40 kgf climbs up a stair of 30 steps each 20 cm high in 4 minutes and a girl weighing 30 kgf does the same in 3 minutes. Compare:
- The work done by them.
- The power developed by them.
How is the unit horsepower related to the S.I. unit of power?
kWh is the unit of ______.
What do you mean by equilibrium of a body?
A body is provided at a point. A force of 20 N is applied at a distance of 40 cm from the pivot. Find the moment of force about the pivot.
What do you understand by work? Is work a scalar or a vector quantity?
State the S.I. and C.G.S. units of energy. How are they related?
Calculate the work done when:
A car is moved on a rough road through 30 m against a frictional resistance of 75 N.
For the following scenario, state whether the work done by gravity is positive, negative, or zero.
A car in neutral gear is coming down the slope.
