EASY
10th ICSE
IMPORTANT
Earn 100

State the class of lever to which sugar tongs belong giving the relative positions of Load(L), Effort(E) and Fulcrum(F).

Important Questions on Machines

EASY
10th ICSE
IMPORTANT

State the class of lever to which nutcracker belong giving the relative positions of Load(L), Effort(E) and Fulcrum(F).

HARD
10th ICSE
IMPORTANT

Figure given below gives an arrangement of moving and fixed pulleys. Copy the diagram and show the direction and magnitude of forces exerted by the four strings marked 1 to 4. What is the load that can be lifted by the effort E? Calculate the mechanical advantage of this system.

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EASY
10th ICSE
IMPORTANT
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the mechanical advantage.
MEDIUM
10th ICSE
IMPORTANT
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the velocity ratio.
EASY
10th ICSE
IMPORTANT
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the work input.
EASY
10th ICSE
IMPORTANT
A machine uplifts a load of 100 N by 10 cm. In this process it requires 80 N of effort with downward displacement of 15 cm. Calculate the efficiency of machine.
EASY
10th ICSE
IMPORTANT

The given figure shows a simple lever. What class of lever this figure belongs to? What is the minimum effort to overcome the load of 100 N?

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EASY
10th ICSE
IMPORTANT

The given figure shows a simple lever. What is the mechanical advantage of lever if efficiency of the lever is 100%?

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