Gravity is pulling an object into the sun. The closer the object gets to the sun

Question

Gravity is pulling an object into the sun. The closer the object gets to the sun, the greater the gravitational force acts on the object, increaseing its acceleration. A line graph plotting the speed of the object against time would have which shape? A. Curved line that slopes upward B. Straight line of positive slope C. Curved line that slopes upward D. Straight line of negativie slope Gravity is pulling an object into the sun. The closer the object gets to the sun, the greater the gravitational force acts on the object, increaseing its acceleration. A line graph plotting the speed of the object against time would have which shape? A. Curved line that slopes upward B. Straight line of positive slope C. Curved line that slopes upward D. Straight line of negativie slope A. Curved line that slopes upward B. Straight line of positive slope C. Curved line that slopes upward D. Straight line of negativie slope

Explanation / Answer

Correct option is A

We know, speed = acceleration x time , i.e., v=at

as the object moves closer to the Sun, the force on it and hence acceleration(a) keeps increasing. Hence the slope of curve between v and t (which is acceleration) keeps increasing which results in continuos increasing velocity. hence, it would be monotonically increasing non linear curve.

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