What are the applications of uniform circular motion?
In uniform circular motion an object moves in circular path with constant speed and direction of motion changes every point of motion. Hence the motion is accelerated. Some of real life applications: –> Revolution of planets around sun.
What is the formula for uniform circular motion?
Therefore for an object to move along a circular path, there must be an acceleration that will always be perpendicular to the velocity. The circular motion may be uniform as well as non –uniform….a_{rad} = \frac{4{\pi}^2 R}{T^2}
| a_{rad} | Radial acceleration |
|---|---|
| T | Time Period |
| V | Velocity |
| C | Circumference |
What is uniform circular motion give examples?
Uniform circular motion is a specific type of motion in which an object travels in a circle with a constant speed. For example, any point on a propeller spinning at a constant rate is executing uniform circular motion. Other examples are the second, minute, and hour hands of a watch.
Which is the full definition of uniform circular motion?
Uniform circular motion can be described as the motion of an object in a circle at a constant speed. As an object moves in a circle, it is constantly changing its direction. At all instances, the object is moving tangent to the circle. An object undergoing uniform circular motion is moving with a constant speed.
What is meant by uniform circular motion *?
Uniform circular motion : When a body moves in a circular path with uniform speed (constant speed), its motion is called uniform circular motion. When a body moves in a circle, its direction changes continuously. Due to this change in direction we say that velocity changes and the motion is accelerated.
Which force is responsible for uniform circular motion?
Also, v=rω v = r ω . The acceleration responsible for the uniform circular motion is called centripetal acceleration. It is given as ac=rω2=v2r a c = r ω 2 = v 2 r . Any net force causing uniform circular motion is called a centripetal force.
Which force is necessary for circular motion?
To summarize, an object in uniform circular motion experiences an inward net force. This inward force is sometimes referred to as a centripetal force, where centripetal describes its direction.
What is uniform circular motion class 9?
Uniform circular motion: When an object moves on a circular path with constant or uniform speed, it is said to have uniform circular motion. For example: motion of hands of a clock, motion of moon revolving around the earth. 2. When an object is in circular motion, direction of its velocity keeps on changing.
What are the basic units of time and speed?
The unit of distance is the metre (m) and of time is second(s). Therefore the basic unit of speed is m/s.
What is the formula for calculating speed?
The formula for speed is speed = distance ÷ time. To work out what the units are for speed, you need to know the units for distance and time.
What is the unit of speed class 7?
metre per second
What is slow and fast motion Class 7?
Fast and Slow Motion/Speed:Speed can be fast or slow depending upon the distance covered by them in a given interval of time. Since a motorbike covers more distance in a given interval of time than a bicycle, the bicycle is said to be in slower motion and motorbike in faster motion.