Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
A 260 kg piano slides 4.2 m down a 30 incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (Fig. 6-36)....
A 260 kg piano slides 4.2 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the incline (Fig. 6-36). The effective coefficient of kinetic friction is 0.40.Calculate the force exerted by the man
