Advertisements
Advertisements
Question
Give the units of couple.
Solution
In the MKS system, the unit of the couple is Nm and kgf m.
In the CGS system, the units of the couple are Dyne cm and gf cm.
APPEARS IN
RELATED QUESTIONS
A stone of mass m is rotated in a circular path with a uniform speed by tying a strong string with the help of your hand. Answer the following questions
1) Is the stone moving with a uniform or variable speed?
2) Is the stone moving with a uniform acceleration? In which direction does the acceleration act?
3) What kind of force acts on the hand and state its direction?
How is work done by a force measured when the force is in the direction of displacement?
What are the S.I. and C.G.S units of work? How are they related? Establish the relationship.
Differentiate between work and power.
State the condition when a force produces
(i) linear motion.
(ii) rotational motion, in a body.
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.
What is the work done when the force on the object and the displacement of the object are perpendicular to each other?
1 kWh = ______ J.
State and define the unit of force in the S.I. system.
State two conditions for work to be done.
