Single Choice

Fatimah and Sunil balance each other on a see-saw. If Fatimah moves further away from the fulcrum, what will happen to Sunil?

AGo up
Correct Answer
BGo down
CRemains in the same state
DNone of the above

Solution

Sunil will go up

SIMILAR QUESTIONS

Machines

Fig 3.13 shows a nut cracker. In the diagram, mark the position of the fulcrum F and the line of action of load L and effort E.

Machines

Draw diagrams to illustrate the position of fulcrum load and effort, in the following: A common balance

Machines

Fig 3.18 above shows the use of a lever. State the principle of moments as applied to the above lever.

Machines

Two crowbars A and B of length $$5\ m$$ and $$7\ m$$ respectively are used to lift a boulder, using a small stone, as a fulcrum. Crowbar ___ (A/B) uses less effort to lift the boulder.

Machines

The figure shows a man using a wooden pole to carry two baskets, $$M$$ and $$N$$. If the lever system is in equilibrium, which of the following conclusions are true? $$I$$. Basket $$M$$ is heavier than basket $$N$$. $$II$$. Basket $$M$$ contains pebbles whereas basket $$N$$ contains leaves. $$III$$. The force of gravity acting on basket $$M$$ is stronger than basket $$N$$.

Machines

Figure shows a lever system which is of $$1\ m$$ length and has marks at equal spacing. At which point $$A,B,C$$ and $$D$$ should you put a fulcrum so that the lever will be in equilibrium?

Machines

In a first order lever a $$1g$$ feather was balanced by a $$1kg$$ rock. Find the ratio of distance of feather from the fulcrum to that of distance of feather from the rock.

Machines

In a lever, fulcrum is at one end at a distance of $$30\ cm$$ from the load and effort is at the other end at a distance of $$90\ cm$$ from the load. Find: The length of load arm.

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