Question
Answer the following in detail.
Differentiate between a single fixed pulley and a single movable pulley.
Differentiate between a single fixed pulley and a single movable pulley.
✓
Answer
| Single fixed pulley | Single movable pulley |
| (1) This pulley has a fixed axis of rotation. | (1) The axis of rotation of this pulley is not fixed. |
| (2) The load is attached to one end of the rope. | (2) The load is attached to the pulley. |
| (3) Only the direction of the force is changed, not the magnitude,[We can lift the object higher but the heaviness of load remains the same] | (3) The direction of the force as well as the magnitude of force change. |
| (4) The mechanical advantage of this pulley is 1. | (4) The mechanical advantage of this pulley is 2. |
| (5) Example: Used to draw water from wells. | (5) Example: Used in construction cranes, Weight lifting, machines in the gym, etc. |
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Distinguish between permanent and temporary magnets.
Describe an experiment to illustrate that like poles repel while the, unlike poles, attract.
State two functions of a machine.
Distinguish between the properties of a solid, a liquid and a gas with respect to:
(a) intermolecular forces
(b) intermolecular spaces
(c) how to contain them
(d) compressibility
(e) position of molecules with respect to each other
(a) intermolecular forces
(b) intermolecular spaces
(c) how to contain them
(d) compressibility
(e) position of molecules with respect to each other
Describe the method by which an iron bar can be made a magnet.
The diagram given below shows the three kinds of levers. Name the class of each lever and give one example of each class.
(a)
(b)
(c)
(a)
(b)
(c)
Define the term magnetic field of a magnet. How will you recognize it experimentally?
Answer the following in short.
Explain the various functions that a machine can perform.
Explain the various functions that a machine can perform.
Explain the formation of the image of a luminous object in a pinhole camera with the aid of a neat diagram.
Answer the following in detail.
How is the single-touch method of magnetism different from the double-touch method?
How is the single-touch method of magnetism different from the double-touch method?