Advertisements
Advertisements
प्रश्न
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
Advertisements
उत्तर
| L | E | V | E | R |
APPEARS IN
संबंधित प्रश्न
What do you understand by a simple machine?
show a nut cracker In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E .
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
Write an expression for the mechanical advantage of an inclined plane in terms of its length I and vertical height h.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
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.
A cook used a ‘fire tong pair’ of length 32 cm. to lift a piece of burning coal of mass 500 g. If he applies his effort at a distance of 8 cm from the fulcrum, what is his effort? Assume friction etc. to be absent. Also, obtain values of the M.A. and the V.R. of this ‘machine’.
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 third order.
Which machine will you use to do the following work? Write their type.
To hold a papad for roasting it.
