मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान इयत्ता ११

Read the statement below carefully and state, with reason, if it is true or false: The velocity vector of a particle at a point is always along the tangent to the path of the particle at that point. - Physics

Advertisements
Advertisements

प्रश्न

Read the statement below carefully and state, with reason, if it is true or false:

The velocity vector of a particle at a point is always along the tangent to the path of the particle at that point.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
Advertisements

उत्तर

This statement is True.

Explanation:

At a point on a circular path, a particle appears to move tangentially to the path. Hence, the velocity vector of the particle is always along the tangent at a point.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Motion in a Plane - EXERCISE [पृष्ठ ४८]

APPEARS IN

एनसीईआरटी Physics [English] Class 11
पाठ 3 Motion in a Plane
EXERCISE | Q 3.16 (b) | पृष्ठ ४८

व्हिडिओ ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्‍न

How does uniform circular motion differ from uniform linear motion?


Is it possible to have an accelerated motion with a constant speed? Name such type of motion.


A piece of stone tied at the end of a thread is whirled in a horizontal circle with uniform speed by hand. Answer the following questions:

  1. Is the velocity of stone uniform or variable?
  2. Is the acceleration of stone uniform or variable?
  3. What is the direction of acceleration of stone at any instant?
  4. Which force provides the centripetal force required for circular motion?
  5. Name the force and its direction which acts on the hand.

A small pebble tied at one end of a string is placed near the periphery of a circular disc, at the centre of which the other end of the string is tied to a peg. The disc is rotating about an axis passing through its centre.
  1. What will be your observation when you are standing outside the disc? Explain.
  2. What will be your observation when you are standing at the centre of the disc? Explain.

State True or False

The earth moves around the sun with a uniform.


What is a conical pendulum?


Is the uniform circular motion accelerated? Give reasons for your answer.


The ratio of angular speed of a hour-hand to the second-hand of a watch is ____________.


A particle is moving in uniform circular motion with speed 'V' and radius 'R'. The angular acceleration of the particle is ______.


A string of length 'l' fixed at one end carries a mass 'm' at the other end. The string makes `3/pi` revolutions/second around the vertical axis through the fixed end as shown in figure. The tension 'T' in the string is ______.


The angular speed of the minute hand of a clock in degrees per second is ______.


Which of the following is correct about uniform circular motion

  1. the direction of motion is continuously changed
  2. the direction of motion is not changed
  3. speed and direction both remain constant
  4. speed is constant but the direction is changing

In uniform motion, an object travels equal ______ in ______ interval of time.


A particle is given an initial speed u inside a smooth spherical shell of radius R = 1 m that it is just able to complete the circle. Acceleration of the particle when its velocity is vertical is ______.


The distance of the Sun from earth is 1.5 × 1011 m and its angular diameter is (2000) s when observed from the earth. The diameter of the Sun will be ______.


In uniform circular motion, although the speed is constant, why does acceleration occur?


What is the direction of the velocity of an object at any point during uniform circular motion?


In uniform circular motion, although the speed is constant, why does acceleration occur?


Angular displacement is measured in which unit?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×