5) the diagram represents an object moving at constant speed in a circle. what on the diagram would indicate that the object is accelerating? a) the object has a mass m. b) the object is at a radius r. c) the direction of the velocity v. d) there is a net inward force, fc.

I'm having some difficulty seeing the diagram clearly.but the question says there's a net inward force on the object.so we know right away,  from newton's 2nd law of motion, thatthat baby is accelerating.  it doesn't even matter which way thenet force is pointing.  if there's any net force, then either theobject's speed or else its direction must be changing.

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