Across
1. Pulley whose axis of rotation is not fixed (2 Words )
4. This is a second - order lever used for a fruit cutter
7. Greater the number of pulleys, ____ is the force needed to lift heavy loads
10. Scissors are an example of _____ (2 Words )
Down
1. Greater the _______the smaller the effort required to overcome a certain load (2 Words )
2. Inclined plane wound around
3. Block and tackle means more number of _______
5. This simple machine changes the direction of applied force
6. This can be uses both as first and second - order lever
8. Leading edge shape of a speed boat
9. Tap works on the principle of ______