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A certain object is not in equilibrium. Three of the following statements could possibly be true, and one must be true. Which one of the following must be true?


A) Only two perpendicular forces act on the object.


B) Only three forces act on the object.


C) Only a single force acts on the object.


D) A net force acts on the object.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

Which of the following statement are true?

a) An object can move even no force acts on it.

b)If an object isn't moving, no external force act on it.

c)If a single force act on an object, the objects accelerates.

d)If an object accelerates, at least one force is acting on it.

e) If an object isn't accelerating, no external force is acting on it.

f)If the net force acting on an object is in the positive x-direction only the object moves only in positive x-direction only.

Three forces act on an object. If the object is in translational equilibrium, which of the following must be true?

I. The vector sum of the three forces must equal zero.

II. The magnitudes of the three vectors must be equal.

III. All three forces must be parallel.

(a) I only

(b) II only

(c) I and III only

(d) II and III only

(e) I, II, and III

 

Two forces are acting on an object. Which of the following statements is correct? 

(a) The object is in equilibrium if the forces are equal in magnitude and opposite in direction. 

(b) The object is in equilibrium if the net torque on the object is zero. 

(c) The object is in equilibrium if the net force and the net torque on the object are both zero. 

(d) The object is in equilibrium if the net force and the net torque on the object are both zero. 

(e) The object cannot be in equilibrium because more than one force acts on it

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