An Object Moves with Constant Speed in a Straight Line

question 4

Multiple Choice

An object moves with constant speed in a straight line. Which of the following statements can be true according to Newton's laws of motion? I. No force is acting. II. Only one nonzero force is acting.III. Two nonzero forces are acting. IV. Three nonzero forces are acting.

• A) Only I.
• B) Only I and II.
• C) Only II and III.
• D) Only I, III, and IV.
• E) Only II, III, and IV.

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Definitions:

Gram-positive

Refers to bacteria that retain the crystal violet stain used in Gram's method of staining, indicative of a thick layer of peptidoglycan in the bacterial cell wall.

Gram-variable

Refers to bacteria that do not consistently stain either Gram-positive or Gram-negative due to certain conditions or characteristics of the cell wall.

Anthrax

A serious infectious disease caused by the bacterium Bacillus anthracis, affecting both humans and animals, and can be transmitted through contact with infected animals or animal products.

Gram-positive

Refers to bacteria that retain the crystal violet dye used in the Gram stain process, indicating a thicker peptidoglycan layer in the cell wall.