Machines
Draw a diagram of a lever which is always used as a force multiplier. How is the effort arm related to the load arm in such a lever ?
Draw diagrams to illustrate the position of fulcrum load and effort, in the following: Forceps
Forceps.
Draw a diagram of a lever which is always used as a force multiplier. How is the effort arm related to the load arm in such a lever ?
Draw a labelled diagram of a class II lever. Give one example of such a lever.
Fig 3.13 shows a nut cracker. Name the class of lever.
The diagram above 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.
Draw a labelled sketch of a class III lever. Give one example of this kind of lever.
State the class of levers and the relative positions of load (L) effort (E) and fulcrum (F) in a bottle opener.
State the class of levers and the relative positions of load (L) effort (E) and fulcrum (F) in sugar tongs.
Fig 3.16 above shows a lever in use. to which class of lever does it belong ?
Fig 3.17 above shows a lever in use. To which class of lever does it belong ?
Fig 3.18 above shows the use of a lever. Give an example of this class of lever.