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प्रश्न
Complete the table.
| S. No | Types of Simple Machine | Example |
| 1. | Pulley | |
| 2. | Wheel and axle | |
| 3. | Wedge | |
| 4. | Inclined plan | |
| 5. | Lever | |
| 6. | Screw |
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उत्तर
| S. No | Types of Simple Machine | Example |
| 1. | Pulley | crane |
| 2. | Wheel and axle | bicycle, grinder |
| 3. | Wedge | knife, scissors, axe |
| 4. | Inclined plan | ramp, slide, and slope for wheel chair |
| 5. | Lever | see saw, nut cracker, and plier |
| 6. | Screw | pencil sharpener, screw- jack, bottle cap, windmill |
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संबंधित प्रश्न
What is a pulley?
What is the mechanical advantage of an ideal pulley?
Define the following term in reference to a gear system for Gain in torque ?
What is a single movable pulley? What is its mechanical advantage in the ideal case?
The mechanical advantage of an ideal single movable pulley is ______.
Give reason for the following:
The efficiency of a pulley is always less than 100%
Give reason for the following:
In case of a block and tackle system, the mechanical advantage increases with the increase in the number of pulleys.
In the alongside the figure of two pulleys shown a system in which one pulley is fixed and the other is movable. What is the velocity ratio of the system?
An effort of 600 N is needed to lift a weight of 1000 N. What are the mechanical advantage and efficiency of the pulley system?
The pulley system shown in the figure is to be used to lift a load W. If the man applying the effort cannot apply a force exceeding 1000 N, what is the maximum load that can be lifted?
The actual load that the man is finally able to lift turns out to be 2700 N. What are the values of the actual M.A., obtained, and the efficiency of the actual set-up?
_______ is a machine made up of wheel and rope.
