Can someone please help me with #2!!

In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.

According to newtons universal law of gravitation, which would change the parh of the ball so it traces out widest curved path possible?

Asmall object with mass 0.200 kg swings back and forth on the lower end of a light rope that is 3.00 m long. the upper end of the rope is attached to the ceiling. as the object swings through its lowest position, where the rope is vertical, the speed of the object is 5.80 m/s. at this point in the motion, what is the tension in the rope? (use g = 9.80 m/s2.)