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Physics, 30.01.2020 11:00 carmencolon119
A150 kg safe on frictionless casters is being raised at 1.20m to the bed of a truck using planks 4m long. the force needed to push the safe up is
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A150 kg safe on frictionless casters is being raised at 1.20m to the bed of a truck using planks 4m...
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