Advertisements
Advertisements
Question
Name a machine to multiply force ?
Advertisements
Solution 1
To multiply force: a jack is used to lift a car.
Solution 2
Multiply force: a movable pulley.
RELATED QUESTIONS
A scissor is a _________ multiplier
What is the principle of an ideal machine?
Draw a diagram to show how a single pulley can be used so as to have its ideal M.A= 2.
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?
‘The force needed to push a load up an inclined plane is less than the force needed to lift it directly’ Give a reason.
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 :
Mechanical advantage = ___________ × velocity ratio
Complete the following sentence :
A scissors is a ___________ multiplier.
Mention the advantages of using a machine.
