Advertisements
Advertisements
Question
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
Advertisements
Solution
To hold a papad for roasting, we should use a pair of tongs, which is a third-order lever.
RELATED QUESTIONS
Answer the following.
What do you understand by a complex machine?
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
What is an ideal machine?
Define mechanical advantage (M.A.) of the machine.
A uniform metre scale is kept in equilibrium when supported at the 60 cm mark and a mass M is suspended from the 90 cm mark as shown in the figure. State with reasons, whether the weight of the scale is greater than, less than or equal to the weight of mass M.
Classify the following as a lever, a pulley and an inclined plane:
Nutcrackers
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the second order.
The ______ in the centre, the ______ on one side and the ______ on the other side make a lever of the third order.
Which machine will you use to do the following work? Write their type.
To cut vegetables.
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
