Advertisements
Advertisements
Question
Classify the following as a lever, a pulley and an inclined plane:
An opener
Solution
An opener – A lever
RELATED QUESTIONS
Fill in the blank:
The useful work done by an actual machine is always ............ than the work done on the machine.
Select the correct alternative:
For an ideal machine, the efficiency is
What is an ideal machine?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
Why is a machine not 100% efficient?
Write an expression to show the relationship between mechanical advantage, velocity ratio, and efficiency for a simple machine.
What is the efficiency of a machine?
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
