Wheels and axles reduce friction, enabling smooth movement of heavy loads. Examples include carts for transportation, bicycles for riding and wheelbarrows in construction, where the axle evenly distributes weight for balance. Class 6 Vocational Education Kaushal Bodh Grade 6 Project 3 ...
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The propeller creates thrust by spinning, pushing water backward and propelling the boat forward. Powered by an elastic band or motor, it converts rotational energy into forward motion in water. Class 6 Vocational Education Kaushal Bodh Textbook chapter 3 Project 3 ...
Single-lever toys, like catapults, involve one fulcrum and lever for simple motion. Multi-lever toys, like robotic arms, use interconnected levers to perform complex tasks, such as gripping or extending movements. Class 6 Vocational Education Kaushal Bodh Textbook chapter 3 Project 3 ...
Levers simplify lifting and movement in toys. Examples include catapults for launching objects, robotic arms for gripping and seesaws for balance. These toys use first, second or third-class levers for functionality. Class 6 Vocational Education Kaushal Bodh Textbook chapter 3 Project ...
Maintaining safety prevents injuries and ensures smooth work. Precautions include using tools carefully, cleaning workspaces, wearing protective gear and securing materials. Avoid rushing, follow guidelines, and keep sharp objects away from others. Class 6 NCERT Vocational Education Kaushal Bodh Project 3 ...