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प्रश्न
Give an example for each of the following uses of a machine:
to obtain gain in force,
उत्तर
A jack is used to multiply force.
APPEARS IN
संबंधित प्रश्न
Draw a diagram to show how a single pulley can be used so as to have its ideal M.A= 2.
Mechanical advantage (M.A.), load (L) and effort (E) are related as ______.
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?
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.
What is a machine?
Name a machine which can be used to multiply force and change the direction of force applied.
