Advertisements
Advertisements
Question
What type of motion is represented by the tip of the ‘seconds’ hand’ of a watch ? Is it uniform or accelerated ?
Solution
'Seconds' hand 'of a watch represents uniform circular motion because the speed of the second-hand is always constant and its tip covers a circular path.
APPEARS IN
RELATED QUESTIONS
What type of motion is exhibited by a freely falling body ?
What remains constant in uniform circular motion ?
How does a rotatory motion differ from the circular motion?
Name the type of motion being performed by Smoke particles from chimney.
State the types of motion of the drill machine?
How do you determine the average speed of a body in non-uniform motion ?
A train travels a distance of 300 km with an average speed of 60 km h_1. How much time does it take to cover the distance?
A car travels with speed 30 km h-1 for 30 minute and then with speed 40 km h-1 for one hour.
Find :
(a) the total distance travelled by the car
(b) the total time of travel, and
(c) the average speed of car
Fast oscillations are referred to as ______.
Define acceleration and state its SI unit for motion along a straight line, when do we consider the acceleration to be
- positive
- negative?
Give an example of a body in uniform acceleration.
