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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
An opener
उत्तर
An opener – A lever
संबंधित प्रश्न
What is the principle on which a machine works?
What care would you take to increase the life span of a machine which you use?
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a 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 use of a machine to change the direction of force.
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
Classify the following as a lever, a pulley and an inclined plane:
Scissors
Classify the following as a lever, a pulley and an inclined plane:
A crane
Which machine will you use to do the following work? Write their type.
To lift bricks to the top of a tall building.
