Physics, 07.03.2021 21:30 nanda22

John is pushing a wheelbarrow filled with sand on a building site. The total mass of the wheelbarrow and its contents is 30kg. When he applies a force of 20N, the wheelbarrow moves forward at a constant speed. What is the magnitude of the friction between the wheels and the ground?Explain your answer.(20N)

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John is pushing a wheelbarrow filled with sand on a building site. The total mass of the wheelbarrow...

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