Advertisements
Advertisements
प्रश्न
Name a machine to obtain gain in speed ?
Advertisements
उत्तर
To obtain gain in speed: when a pair of scissors is used to cut the cloth, its blades move longer on cloth while its handles move a little.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
संबंधित प्रश्न
Which class of lever will always have MA > 1 and why?
State the principle of a lever?
The lever for which the mechanical advantage is less than 1 has :
Give three examples for leavers of 1st order.
Give three examples for leavers of second order.
Give three examples for leavers of the third order.
The following belong to which class of lever?
Rowing of a boat
The following belong to which class of lever?
Fore-arm
The diagram shows the use of a lever.
- State the principle of moments as applied to the above lever.
- Which class of lever is this? Give an example of this class of lever.
- If FA = 100 cm, AB = 90 cm, calculate the minimum effort required to lift the load.
What is a first-order lever?
