हिंदी

State one way to obtain greater moment of a given force about a given axis of rotation. - Physics

Advertisements
Advertisements

प्रश्न

State one way to obtain greater moment of a given force about a given axis of rotation.

संक्षेप में उत्तर
Advertisements

उत्तर

In order to generate the maximum torque to turn the body, the force is applied at a position on the body where the line of action's perpendicular distance from the axis of rotation is maximum.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 1: Force - EXERCISE - 1 (A) [पृष्ठ १०]

APPEARS IN

सेलिना Physics [English] Class 10 ICSE
अध्याय 1 Force
EXERCISE - 1 (A) | Q 9. | पृष्ठ १०
सेलिना Concise Physics [English] Class 8 ICSE
अध्याय 3 Force and Pressure
Short/Long Answer Questions | Q 11 | पृष्ठ ५७

संबंधित प्रश्न

An effort is applied on the bigger wheel of a gear having 32 teeth. It is used to turn a wheel of 8 teeth. Where it is used.


A half metre rod is pivoted at the centre with two weights of 20gf and 12gf suspended at a perpendicular distance of 6 cm and 10 cm from the pivot respectively as shown below.

1) Which of the two forces acting on the rigid rod causes clockwise moment?

2) Is the rod in equilibrium?

3) The direction of 20 kgf force is reversed. What is the magnitude of the resultant moment of the forces on the rod?


The S.I. unit of force is kgf. (kilogram-force)


In a door, handle is provided  ......... from the hinges.


Thrust is the ............ force acting on a surface.


Write the expression for the moment of force about a given axis of rotation.


The hand flour grinder is provided with a handle near the rim.


On what factors does the effect of thrust on a surface depend?


What are contact forces? Give two Example


State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and force for a constant mass.


A car of mass 600 kg is moving with a speed of 10 m-1 while a scooter of mass 80 kg is moving with speed of 50 m s-1. which vehicle will require more force to stop it in the (1) same interval of time (2) same distance


State two factor on which moment of force about a point depends.


State one way to reduce the moment of given force about a given axis of rotation.


Fig. 5 shows a uniform meter scale weighing 200 gf. Provided at its centre. Two weights 300 gf and 500 gf are suspended from the ruler as shown in the diagram. Calculate the resultant torque of the ruler and hence calculate the distance from mid-point where a 100 gf should be suspended to balance the meter scale.


Three forces A, B and C are acting on a rigid body which can turn about O in fig.9. If all the three forces are applied simultaneously, in which direction will the body move? Explain.


A jack screw is provided with a long arm. Explain why?


Define non-contact forces.


How does the distance of separation between two bodies affect the magnitude of the non-contact force between them?


State the units of moment of force.


What is meant by the term ‘moment of force’? If the moment of force is assigned a negative sign then will the turning tendency of the force be clockwise or anti-clockwise?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×