Question 14 Marks
| Column A | Column B |
| 1. A machine whose parts are frictionless as well as weightless. | (a) Simple machine |
| 2. In an device, output energy is less than input energy. | (b) Ideal machine |
| 3. The ratio between the output energy and the input energy. | (c) Machine |
| 4. The machine such as handle of water pump or a ramp. | (d) Principle of machine |
| (e) Efficiency of machine |
Answer
View full question & answer→| Column A | Column B |
| 1. A machine whose parts are frictionless as well as weightless. | (a) Ideal machine |
| 2. In an device, output energy is less than input energy. | (b) Principle of machine |
| 3. The ratio between the output energy and the input energy. | (c) Efficiency of machine |
| 4. The machine such as handle of water pump or a ramp. | (d) Simple machine |