Advertisements
Advertisements
Question
Classify the following as a lever, a pulley and an inclined plane:
A needle
Advertisements
Solution
A needle – An inclined plane
RELATED QUESTIONS
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.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
Give an example of the following uses of a machine:
to obtain gain in speed
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:
A wedge
Classify the following as a lever, a pulley and an inclined plane:
Scissors
Why is this so traveller’s bags have wheels?
Rearrange the letters and find out the name of the tool.
R L E V E
| ______ | ______ | ______ | ______ |
A pair of scissors is a _____ multiplier.
