Advertisements
Advertisements
Question
Complete the following sentence :
A scissors is a ___________ multiplier.
Advertisements
Solution
A scissors is a speed multiplier.
RELATED QUESTIONS
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.
A scissor is a ______ multiplier.
State four ways in which machines are useful to us.
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
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?
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
Name a machine which is used to multiply speed ?
The diagram below shows a claw hammer used to remove a nail :
(i) To which class of lever does it belong ?
(ii) Give one more example of the same class of lever mentioned by you in (i) for which the mechanical advantage is greater than one.
Work is the application of a ....... through a distance.
Stat the principle of an ideal machine.
