Which of the following must be true for an object to be in a state of static equilibrium?
A. the sum of all horizontal forces acting on the object must be equal to zero
B. the sum of all torques acting on the object must be equal to zero
C. the sum of all vertical forces acting on the object must be equal to zero
D. all of these answers are correct
Answer: D
You might also like to view...
The combining form aer/o means ________.
Fill in the blank(s) with the appropriate word(s).
The LPN is caring for a sick child at home who has a bad cough. The nurse would choose an over-the-counter cough syrup that contained which of the following active ingredients?
A. Albuterol B. Dextromethorphan C. Flunisolide D. Phenylephrine
The root/combining form in the term onychomycosis means
A. Fungus B. Cuticle C. Hair D. Nail E. Condition
Which of the following statements is TRUE regarding family members and close friends of alcoholics?
A) They tend to abstain from alcohol consumption. B) They suffer and become part of the dynamics of addiction. C) They usually ignore the effects of the alcoholic's addiction. D) They find it easy to talk with the addict about his or her alcoholism.