Advertisements
Advertisements
Question
Classify the following into levers:
A catapult
Options
Class I
Class II
Class III
Solution
Class I
APPEARS IN
RELATED QUESTIONS
Name the class to which the following lever belong:
a beam balance
Name the class to which the following lever belong:
a wheelbarrow
Name the class to which the following lever belong:
a crowbar
A lever of length 100 cm has the effort of 15 kgf at a distance of 40 cm from the fulcrum at one end. What load can be applied at its other end?
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.
Tick the most appropriate answer.
A pair of scissors is an example of a/an
Answer the following in short.
What is the basis of the classification of levers?
Class III levers have mechanical advantage less than one. Why are they then used?
Lemon juicer belongs to which type of lever? Why?
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 |
