Science task 91: An ACT senior class applies the information to a public-policy, planning or research investigation. A 15 kg test trolley accelerates at 4 m/s². What net force acts on it?

Science task 91: An ACT senior class applies the information to a public-policy, planning or research investigation. A 15 kg test trolley accelerates at 4 m/s². What net force acts on it?

Select an option. Your answer will be checked instantly.