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

Is It Possible for a Particle to Describe a Curved Path If No Force Acts on It? Does Your Answer Depend on the Frame of Reference Chosen to View the Particle? - Physics

Advertisements
Advertisements

प्रश्न

Is it possible for a particle to describe a curved path if no force acts on it? Does your answer depend on the frame of reference chosen to view the particle?

टीपा लिहा

उत्तर

If no force acts on the particle it cannot change its direction. So, it is not possible for a particle to describe a curved path if no force acts on it.
Yes, the answer depends on the frame of reference chosen to view the particle if the frame of reference describes a curved path.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Newton's Laws of Motion - short answers [पृष्ठ ७६]

APPEARS IN

एचसी वर्मा Concepts of Physics Vol. 1 [English] Class 11 and 12
पाठ 5 Newton's Laws of Motion
short answers | Q 4 | पृष्ठ ७६

संबंधित प्रश्‍न

Give the magnitude and direction of the net force acting on a drop of rain falling down with a constant speed.


If the speed of the stone is increased beyond the maximum permissible value, and the string breaks suddenly, which of the following correctly describes the trajectory of the stone after the string breaks?


What is the other name of Newton’s first law of motion ?


Name the law involved in the following situation :

if there were no friction and no air resistance, then a moving bicycle would go on moving for ever.


It is sometimes heard that the inertial frame of reference is only an ideal concept and no such inertial frame actually exists. Comment.


Consider a book lying on a table. The weight of the book and the normal force by the table in the book are equal in magnitude and opposite in direction. Is this an example of Newton's third law?


In an imaginary atmosphere, the air exerts a small force F on any particle in the direction of the particle's motion. A particle of mass m projected upward takes time t1 in reaching the maximum height and t2 in the return journey to the original point. Then.


A reference frame attached to the earth
(a) is an inertial frame by definition
(b) cannot be an inertial frame because the earth is revolving around the sun
(c) is an inertial frame because Newton's laws are applicable in this frame
(d) cannot be an inertial frame because the earth is rotating about its axis.


A particle stays at rest as seen in a frame. We can conclude that
(a) the frame is inertial
(b) resultant force on the particle is zero
(c) the frame may be inertial but the resultant force on the particle is zero
(d) the frame may be non-inertial but there is a non-zero resultant force


A block of 2 kg is suspended from a ceiling by a massless spring of spring constant k = 100 N/m. What is the elongation of the spring? If another 1 kg is added to the block, what would be the further elongation?


'When a hanging carpet is beaten with a stick, the dust particles start coming out of it'. This phenomenon can be best explained by making use of :


Explain the following :
After alighting from a moving bus , one has to run for some distance in the direction of bus in order to avoid falling .


A force of 600 dynes acts on a glass ball of mass 200 g for 12 s. If initially, the ball is at rest, find

  1. Final velocity
  2. Distance covered.

The greater is the __________ the greater is the inertia of an object.


The amount of inertia of a body depends on its _________.


When a bus suddenly takes a tum, the passengers are thrown outwards because of


In the above given problem if the lower thread is pulled with a jerk, what happens?


Two blocks A and B of masses m and 2 m, respectively, are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release.


A balloon has mass of 10 g in air. The air escapes from the balloon at a uniform rate with velocity 4.5 cm/s. If the balloon shrinks in 5 s completely. Then, the average force acting on that balloon will be (in dyne).


This question has Statement 1 and Statement 2. Of the four choices given after the Statements, choose the one that best describes the two Statements.

Statement 1: If you push on a cart being pulled by a horse so that it does not move, the cart pushes you back with an equal and opposite force.

Statement 2: The cart does not move because the force described in statement 1 cancel each other.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×