Science task 71: An ACT senior class applies the information to a public-policy, planning or research investigation. A 24 kg test trolley accelerates at 1 m/s². What net force acts on it?

Science task 71: An ACT senior class applies the information to a public-policy, planning or research investigation. A 24 kg test trolley accelerates at 1 m/s². What net force acts on it?

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