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प्रश्न
Classify the following as a lever, a pulley and an inclined plane:
A wedge
उत्तर
A wedge – An inclined plane
संबंधित प्रश्न
Answer the following.
What do you understand by a complex machine?
Answer the following in short.
Mention any two methods by which we can take care of machines.
Derive the relationship between mechanical advantage, velocity ratio and efficiency of a machine.
The correct relationship between the mechanical advantage (M.A.), the velocity ratio (V.R.) and the efficiency (n) is ______.
Give two examples of inclined plane where it is used to raise a heavy load with less effort ?
The mechanical advantage of an inclined place is always:
(a) less than 1
(b) equal to 1
(c) greater than 1
(d) nothing can be said
Establish a relationship between efficiency, M.A., and V.R.
A simple machine enables us to lift a load of 10,000 N by the application of an effort of 500 N. However, when the point of application of the effort moves through 2.5 m, the load gets raised through 10 cm only. What are the values of the:
(i) M.A.
(ii) V.R. and
(iii) Efficiency of the machine?
Classify the following as a lever, a pulley and an inclined plane:
The wheel of a flagpole
Simple machines makes work easier by trading ______ for force.
