Advertisements
Advertisements
Question
What do you mean by uniform circular motion?
Advertisements
Solution
When a particle moves with a constant speed in a circular path, its motion is said to be the uniform circular motion.
APPEARS IN
RELATED QUESTIONS
Differentiate between work and power.
A boy weighing 350 N climbs up 30 steps, each 20 cm high in 1 minute, Calculate:
- the work done and
- power spent.
What do you mean by a centrifugal force?
An engine does 54,000 J of work by exerting a force of 6000 N on it. What is the displacement in the direction of the force?
In the following case write yes, if the work is being done and no if no work is being done.
A man trying to push a wall.
State the condition when the work done by the force is positive
State the condition when the work done by the force is negative.
State the practical unit mainly used in mechanical engineering and write down its equivalent in watt.
A man weighing 700 N runs up a flight of 15 steps, each 20 cm high, in 5 seconds. Calculate the power of the man.
A force of 1 kgf displaces a body by a distance of 10 cm
(i) in direction of force,
(ii) normal to the force
(iii) at an angle of 60° to the direction of the force.
Calculate the amount of work done in each case. (Take: g = 9.8 ms−2 )
