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प्रश्न
Name a machine to change the point of application of force ?
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उत्तर
To change the point of application of force: the wheel of a cycle is rotated with the help of a chain by applying the force on the pedal.
संबंधित प्रश्न
With reference to the terms Mechanical Advantage, Velocity Ratio and efficiency of a machine, name and define the term that will not change for the machine of a given design.
What is the principle of an ideal machine?
Name a machine to multiply 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?
Name a machine which is used to multiply speed ?
Give an example for each of the following uses of a machine:
to obtain gain in force,
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
Under what condition will a set of gears produce a gain in speed
Name a machine which can be used to multiply force and change the direction of force applied.
