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प्रश्न
Which machine will you use to do the following work? Write their type.
To cut vegetables.
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उत्तर
To cut vegetables, we should use a knife.
Type: Wedge (simple machine)
संबंधित प्रश्न
Answer the following.
What is a machine?
State if the following statement is true or false. Correct the statement if it is false.
There are four types of simple machines.
What is an inclined plane?
Fig show a system of four pulleys. The upper two pulleys are fixed and the lower two are movable.
(i) Draw a string around the pulleys. Also show the place and direction in which the effort is applied.
(ii) What is the velocity ratio of the system?
(iii) What is the mechanical advantage of the system?
(iv) What assumption do you make in arriving at your answer in part (iii)?
Define Simple machine
(i) Calculate the mechanical advantage of the lever shown in the figure.
(ii) How do you define the mechanical advantage of a machine?
Classify the following as a lever, a pulley and an inclined plane:
A slide
Classify the following as a lever, a pulley and an inclined plane:
An opener
Which machine will you use to do the following work? Write their type.
To draw water from a well.
Name some simple machines.
