Advertisements
Advertisements
प्रश्न
Draw a diagram to show how a single pulley can be used so as to have its ideal M.A= 2.
Advertisements
उत्तर

M.A. = `"Load"/"Effort"`
M.A. = `(2"T")/"T"`
= 2
APPEARS IN
संबंधित प्रश्न
State four ways in which machines are useful to us.
State the incorrect statement:
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
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.
What is the purpose of a machine?
Give an example for each of the following uses of a machine:
to obtain gain in force,
Stat the principle of an ideal machine.
Complete the following sentence :
Mechanical advantage = ___________ × velocity ratio
Under what condition will a set of gears produce a gain in speed
Mention the advantages of using a machine.
