Brake pads are placed around the wheels. When the brakes are applied, the pads press against the wheels, creating friction. This friction slows down or stops the bicycle, preventing accidents and ensuring safety. Class 6 NCERT Vocational Education Kaushal Bodh Project ...
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A bicycle uses simple machines like wheels and axles, levers and pulleys. These parts help in reducing effort and improving efficiency. The pedals act as levers, while the chain and sprockets function as a pulley system. Class 6 NCERT Vocational Education ...
Bicycle wheels are aligned using a truing stand or by adjusting the spokes with a spoke wrench. Ensuring even spoke tension prevents wobbling, improves balance and enhances riding comfort and control. Class 6 Vocational Education Kaushal Bodh Textbook chapter 3 Project ...
Squeaking brakes can be fixed by cleaning the brake pads and rims, tightening loose components and ensuring proper alignment. Applying a small amount of rubbing alcohol or sanding the pads improves braking efficiency. Class 6 Vocational Education Kaushal Bodh Textbook chapter ...
A bicycle chain should be oiled every few weeks or after 150-200 km of riding. If it appears dry, makes noise or feels rough while pedaling, applying lubricant ensures smooth movement and prevents rust. Class 6 Vocational Education Kaushal Bodh Textbook ...