हिंदी

Give a scientific reason. Even though the magnitudes of action force and reaction forces are equal and their directions are opposite, their effects do not get cancelled. - Science and Technology

Advertisements
Advertisements

प्रश्न

Give a scientific reason.

Even though the magnitudes of action force and reaction forces are equal and their directions are opposite, their effects do not get cancelled.

कारण बताइए
Advertisements

उत्तर

When two bodies interact, the action and reaction forces come into action. Even though their magnitude is the same and their direction is opposite, their effects do not get cancelled because these action and reaction forces do not act on the same body.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Laws of Motion - Exercises [पृष्ठ १७]

APPEARS IN

बालभारती Science and Technology [English] 9 Standard Maharashtra State Board
अध्याय 1 Laws of Motion
Exercises | Q 5. b. | पृष्ठ १७

संबंधित प्रश्न

If action is always equal to the reaction, explain how a horse can pull a cart.


Explain, why is it difficult for a fireman to hold a hose, which ejects large amounts of water at a high velocity.


According to the third law of motion, when we push on an object, the object pushes back on us with an equal and opposite force. If the object is a massive truck parked along the roadside, it will probably not move. A student justifies this by answering that the two opposite and equal forces cancel each other. Comment on this logic and explain why the truck does not move.


Is the following statement true or false :
A rocket can propel itself in a vacuum.


A girl weighing 25 kg stands on the tloor. She exerts a downward force of 250 N on the floor. What force does the floor exert on her ?


Fill in the following blanks with suitable words :

Forces in a Newton’s third law pair have equal _____________ but act in opposite _____________.


Why does a gunman get a jerk on firing a bullet ?


Draw a diagram to show how a rocket engine provides a force to move the rocket upwards. Label the diagram appropriately.


State Newton’s third law of motion and give two examples to illustrate the law.


Give scientific reasons.

It is easier to stop a tennis ball as compared to a cricket ball when both are travelling with the same velocity.


Complete a sentence and explain it.

The working of a rocket depends on Newton's ______ law of motion.


“Wearing helmet and fastening the seat belt is highly recommended for safe journey” Justify your answer using Newton’s laws of motion.


Why do the action and reaction forces in a pair not cancel each other out?


A book is resting on a table. Which of the following is the correct reaction force to the gravitational pull of the Earth on the book?


Can action and reaction forces be noncontact forces?


What is the main characteristic of action and reaction forces?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×