मराठी
तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ९

Which of the following graph represents uniform motion of a moving particle? - Science

Advertisements
Advertisements

प्रश्न

Which of the following graph represents uniform motion of a moving particle?

पर्याय

MCQ
Advertisements

उत्तर

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Motion - Exercise [पृष्ठ २३]

APPEARS IN

सामाचीर कलवी Science [English] Class 9 TN Board
पाठ 2 Motion
Exercise | Q I. 3. | पृष्ठ २३

संबंधित प्रश्‍न

For a particle performing uniform circular motion `vecv=vecomegaxxvecr`obtain an expression for linear acceleration of the particle performing non-uniform circular motion.


Answer the following question.

Show that its time period is given by, 2π`sqrt((l cos theta)/("g"))` where l is the length of the string, θ is the angle that the string makes with the vertical, and g is the acceleration due to gravity.


Solve the following problem.

A car moves in a circle at a constant speed of 50 m/s and completes one revolution in 40 s. Determine the magnitude of the acceleration of the car.


At any instant, the magnitude of the centripetal force on a particle of mass 'm' performing circular motion is given by (ω = angular velocity and v = linear velocity of the particle) ______.


Two particles P and Q are moving in concentric circles of rarui rp and rQ respectively. If their period of revolutions are in ratio 2 : 3, then ratio of their centripetal acceleration 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

For a particle performing uniform circular motion, choose the correct statement(s) from the following:

  1. Magnitude of particle velocity (speed) remains constant.
  2. Particle velocity remains directed perpendicular to radius vector.
  3. Direction of acceleration keeps changing as particle moves.
  4. Angular momentum is constant in magnitude but direction keeps changing.

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 ______.


Two bodies of masses 10 kg and 5 kg moving in concentric orbits of radii R and r such that their periods are the same. Then the ratio between their centripetal accelerations is ______.


Why is uniform circular motion said to be accelerated?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×