Advertisements
Advertisements
प्रश्न
Give any two effects of a force on a non-rigid body.
Advertisements
उत्तर
Two effects of a force on a non-rigid body are:
(i) Force can change the state of rest or motion of the body
(ii) Force can change the size or shape of the body.
संबंधित प्रश्न
To obtain a given moment of force for turning a body, the force needed can be decreased by
State the relationship between force, mass and acceleration. Draw graphs showing the relationship between Acceleration and mass for a constant force.
State two factor on which moment of force about a point depends.
The diagram in the figure shows a uniform metre rule weighing 100 gf, pivoted as its centre O. two weight 150 gf and 250 gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm . Calculate
the total anticlockwise moment about o.

Classify the following amongst contact and non-contact forces.
Frictional force
(i) What do you understand by the term couple of forces?
(ii) Calculate the moment of a couple shown in fig.

State two factors affecting the turning effect of a force.
In a beam balance when the beam is balanced in a horizontal position, it is in ________ equilibrium.
Assertion & Reasoning
- Assertion: The sum of the clockwise moments is equal to the sum of the anticlockwise moments.
- Reason: The principle of conservation of momentum is valid if the external force on the system is zero.
Clockwise moment produced by a force about a fulcrum is considered to be ______.
