Advertisements
Advertisements
प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A wedge
Advertisements
उत्तर
A wedge – An inclined plane
संबंधित प्रश्न
When is work said to be done by a force?
Give a reason for the following.
Machines are able to make our work convenient.
What do you understand by a simple 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.
Can a simple machine act as a force multiplier and a speed multiplier at the same time?
Comment on the statement ‘The mechanical advantage of a machine is greater than 1’. Give an example of a lever mechanical advantage is:
(i) greater than 1.
(ii) Equal to 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.
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
Why is this so traveller’s bags have wheels?
