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Question
Classify the following as a lever, a pulley and an inclined plane:
An axe
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Solution
An axe – A wedge
RELATED QUESTIONS
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
State the kind of lever which always has mechanical advantage less than 1. Draw a labelled diagram of such a lever.
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
Give an example of the following uses of a machine:
to obtain gain in speed
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?
Classify the following as a lever, a pulley and an inclined plane:
A slide
Classify the following as a lever, a pulley and an inclined plane:
A crane
Why is this so machines have to be maintained?
