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Question
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the first order.
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Solution
The fulcrum in the centre, the load on one side and the effort on the other side make a lever of the first order.
RELATED QUESTIONS
Answer the following.
What do you understand by a complex machine?
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
Give an example of the following uses of a machine:
to obtain gain in speed
Give an example where a machine is used to obtain gain in speed.
How does a machine work?
Classify the following as a lever, a pulley and an inclined plane:
A wedge
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
Identify and mention the types of simple machines.
 |
 |
 |
| ______ | ______ | _______ |
 |
 |
 |
| ______ | ______ | ______ |
______ help us to make work easier.
Name a machine for each of the following uses:
- to multiply the force,
- to change the point of application of force,
- to change the direction of force,
- to obtain the gain in speed.
