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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A slide
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उत्तर
A slide – An inclined plane
संबंधित प्रश्न
State whether the following statement is True or False.
In an ideal machine, work done on load is equal to the work done by effort.
Give a reason for the following.
Machines are able to make our work convenient.
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
The diagram below shows a wheel barrow. Mark position of fulcrum F and draw arrows to show the directions of load L and effort E. What class of lever is the whell barrow? Give one more example of the same class of lever.
A crowbar of length 120 cm has its fulcrum situated at a distance of 20 cm from the load. Calculate the mechanical advantage of the crowbar.
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
What is an ideal machine?
Classify the following as a lever, a pulley and an inclined plane:
An axe
______ help us to make work easier.
Name some simple machines.
