Science task 71: A Tasmanian senior class applies the information to an ecology, health or regional-access investigation. A 25 kg test trolley accelerates at 7 m/s². What net force acts on it?

Science task 71: A Tasmanian senior class applies the information to an ecology, health or regional-access investigation. A 25 kg test trolley accelerates at 7 m/s². What net force acts on it?

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