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प्रश्न
Match the following:
| Column A | Column B |
| (a) Needle | (1) class II lever |
| (b) Doorknob | (2) inclined plane |
| (c) Ramp | (3) Class I lever |
| (d) Lemon crusher | (4) Wheel and axle |
| (e) Seesaw | (5) wedge |
उत्तर
| Column A | Column B |
| (a) Needle | (5) wedge |
| (b) Doorknob | (4) Wheel and axle |
| (c) Ramp | (2) inclined plane |
| (d) Lemon crusher | (1) class II lever |
| (e) Seesaw | (3) Class I lever |
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