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प्रश्न
What is the purpose of a machine?
उत्तर
The purpose of a machine is:
(i) To multiply force
(ii) To obtain a gain or decrease in speed
(iii) To change to direction of application of force in a convenient direction
APPEARS IN
संबंधित प्रश्न
Name a machine to multiply force ?
Name a machine to change the point of application of force ?
State the incorrect statement:
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,
Stat the principle of an ideal machine.
Under what condition will a set of gears produce a gain in speed
What is a machine?
Name a machine which can be used to multiply force and change the direction of force applied.
Mention the advantages of using a machine.
