Advertisements
Advertisements
प्रश्न
Name a machine to multiply force ?
उत्तर १
To multiply force: a jack is used to lift a car.
उत्तर २
Multiply force: a movable pulley.
APPEARS IN
संबंधित प्रश्न
A scissor is a _________ multiplier
What is the principle of an ideal machine?
A force of 5 kgf is required to cut a metal sheet. A pair of shears used for cutting the metal sheet has its blades 5 cm long, while its handles is 10 cm long. What effort is needed to cut the sheet?
Give an example for each of the following uses of a machine:
to obtain gain in force,
Work is the application of a ....... through a distance.
Shows a lemon crusher.
- In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E.
- Name the class of lever
Complete the following sentence :
A scissors is a ___________ multiplier.
Under what condition will a set of gears produce a gain in speed
What is a machine?
Mention the advantages of using a machine.