Advertisements
Advertisements
Question
Name the machine to which the following belong:
Beam balance
Advertisements
Solution
Beam balance: A lever (lever of class I).
APPEARS IN
RELATED QUESTIONS
Describe three orders of levers giving an example of each. Draw neat diagrams showing the positions of fulcrum, load, and effort in each kind of lever.
The diagram given below shows the three kinds of levers. Name the class of lever and give one example of the class.
Name the machine to which the following belong:
Lemon crusher
Answer the following.
State the principle of levers.
Answer the following.
What is a Class I lever?
Answer the following in short.
Using a suitable example, describe how a machine acts as a force multiplier.
What is the use of the lever if its mechanical advantage is
- more than 1,
- equal to 1, and
- less than 1?
Which type of lever has a mechanical advantage always more than one? Give one example. What change can be made in this lever to increase its mechanical advantage?
Match the following:
| 1. | Class I lever | a. | Wheelbarrow |
| 2. | Class II lever | b. | Seesaw |
| 3. | Class III lever | c. | Axe |
| 4. | Wedge | d. | Hockey sick |
Name the class of the lever shown in the picture below:
