@solved_science on Instagram: "Motorizing a wheelbarrow shifts most of the load from human muscles to mechanical power, using torque from a small engine or electric motor to handle weight, slope resistance, and continuous movement. This reduces strain on the spine, arms, and knees while improving speed and control on uneven surfaces. This modification is done to prevent long-term injuries, increase daily productivity, and allow one worker to move heavy materials safely without exhaustion. #const

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13 ingenious DIY mechanical projects you can build at home!