Advertisements
Advertisements
Question
Name the class to which the following lever belong:
a wheelbarrow
Advertisements
Solution
a wheelbarrow: Class II lever.
APPEARS IN
RELATED QUESTIONS
Give one example of a class I lever where the mechanical advantage is more than 1.
Name the class to which the following lever belong:
a beam balance
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a nutcracker
Draw diagram to illustrate the position of fulcrum, load, and effort, of the following:
a pair of forceps
Name the machine to which the following belong:
Lemon crusher
In a lever, the fulcrum is at one end at a distance of 30 cm from the load and effort is at the other end at a distance of 90 cm from the load. Find :
(a) the length of load arm,
(b) the length of effort arm, and
(c) the mechanical advantage of the 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?
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 |
second-order lever ______.
