हिंदी

Name and state the action and reaction in the following case:Hammering a nail.

Advertisements
Advertisements

प्रश्न

Name and state the action and reaction in the following case:
Hammering a nail.

एक पंक्ति में उत्तर
Advertisements

उत्तर

Force applied by hammer on nail is action and normal force applied by nail on hammer is reaction to this force.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 3: Laws of Motion - Exercise 3 [पृष्ठ १२८]

APPEARS IN

फ्रैंक Physics Part 1 [English] Class 9 ICSE
अध्याय 3 Laws of Motion
Exercise 3 | Q 12.3 | पृष्ठ १२८

संबंधित प्रश्न

The earth and the moon are attracted to each other by gravitational force. Does the earth attract the moon with a force that is greater or smaller or the same as the force with which the moon attracts the earth? Why?


Answer the following:

An astronaut inside a small space ship orbiting around the earth cannot detect gravity. If the space station orbiting around the earth has a large size, can he hope to detect gravity?


A uniform metal sphere of radius a and mass M is surrounded by a thin uniform spherical shell of equal mass and radius 4a (In the following figure). The centre of the shell falls on the surface of the inner sphere. Find the gravitational field at the points P1 and P2 shown in the figure.


Name and state the action and reaction in the following case:
A book lying on a table.


Two equal and opposite forces acting at the same point on a stationary body. Will the body move? Give reason to explain your answer.


Answer the following question.

State Newton’s law of gravitation and express it in vector form.


State the universal law of gravitation and derive its mathematical expression.


Find the gravitational force of attraction between the ring and sphere as shown in the diagram, where the plane of the ring is perpendicular to the line joining the centres. If `sqrt8` R is the distance between the centres of a ring (of mass 'm')and a sphere (mass 'M') where both have equal radius 'R'.

 


Newton's universal law of gravitation applies to ______.


If three equal masses m are placed at the three vertices of an equilateral triangle of side 1/m then what force acts on a particle of mass 2m placed at the centroid?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×