Advertisements
Advertisements
प्रश्न
How does the effect of force differ when it is applied on a non-rigid body?
Advertisements
उत्तर
When a force is applied on a non-rigid object it changes interspacing between its constituent particle and causes a change in its dimensions and can produce motion in it.
APPEARS IN
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.
To obtain a given moment of force for turning a body, the force needed can be decreased by
State two factors on which affect moment of force.
State one factor on which the magnitude of a non-contact force depends. How does it depend on the factor stated by you?.
Write the expression for calculating the moment of force about a given an axis.
Give two examples of a couple's actions in our daily life.
A jack screw is provided with a long arm. Explain why?
The diagram shows a uniform metre rule weighing 100gf, pivoted at its centre O. Two weights 150gf and 250gf hang from the point A and B respectively of the metre rule such that OA = 40 cm and OB = 20 cm. Calculate :
the total clockwise moment about O

State two factors on which moment of the force about a point depends.
A person standing in front of a cliff fires a gun and hears its echo after 3 s. If the speed of sound in air is 336 ms−1.
- Calculate the distance of the person from the cliff.
- After moving a certain distance from the cliff, he fires the gun again, and this time the echo is heard 1.5 s later than the first. Calculate the distance that the person moved.
