Q. Motor M draws in the cable with an acceleration of 4 ft/s^2, measured relative to the 200 lb mine car. Determine the acceleration of the car and the tension in the cable. Neglect the mass of the pulleys.
Q. A 543 physics student stands on a bathroom scale in an 824- (including the student) elevator that is supported by a cable. As the elevator starts moving, the scale reads 462 . Find the magnitude of the acceleration of the elevator?