Three objects can only move along a straight, level path. The graphs show the position d of each of the objects plotted as a function of time t.

Question 1

Three objects can only move along a straight, level path. The graphs show the position d of each of the objects plotted as a function of time t. The sum of the forces on the object is zero in which of the cases?

(A) II only

(B) III only

(C) I and II only

(D) I and III only

(E) I, II, and III

Question 2

Correct option (C) I and II only

Any curvature of the line in a d-t graph indicates a non-zero acceleration.

kratos · Answer 1 · 2021-04-03T19:24:43+0000

Correct option (C) I and II only

Any curvature of the line in a d-t graph indicates a non-zero acceleration.

Three objects can only move along a straight, level path. The graphs show the position d of each of the objects plotted as a function of time t.

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Three objects can only move along a straight, level path. The graphs show the position d of each of the objects plotted as a function of time t.

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1 Answer

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