A. 18N B. 22N C. 25N D. 30N The correct answer to the question: “Which of the following can not be the resultant of two vectors having magnitude 10N and 15N?” is “30N”.
A. 2N & 5N B. 20N & 2N C. 3N & 6N D. 4N & 1N The correct answer to the question: “Which of the following pair of forces can produce a resultant of 8N?” is “3N & 6N”.
A. Zero B. Two C. Three D. None The correct answer to the question: “What is the minimum number of unequal magnitude vectors required to get a null vector?” is “Three”.
A. Zero B. 30° C. 45° D. 90° The correct answer to the question: “Angle between the rectangular components of a vector is________?” is “90°”.
A. 12N, 5N, 20N B. 4N ,2N, 10N C. 10N, 18N D. 12N, 5N, 15N The correct answer to the question: “Which of the following group of forces can produce equilibrium?” is “12N, 5N, 15N”.
A. Commutative Law B. Associative Law C. Distributive Law D. All of these The correct answer to the question: “Addition of vectors obeys_______law?” is “All of these”.
A. Ax= ACos∅ B. Ay= ASin∅ C. Ay= ACos∅ D. None The correct answer to the question: “If a vector Ā is making an angle “∅” with positive y-axis then which of the following is correct.?” is “Ay= ACos∅”.
A. Addition of vectors B. Subtraction of vectors C. Multiplication of vectors D. Resolution of vectors The correct answer to the question: “Which of the following is reverse process of composition of vectors?” is “Resolution of vectors”.
A. Zero B. Positive C. Negative D. None The correct answer to the question: “Speed of a body can not be_______?” is “Negative”.
A. Zero B. Positive C. Negative D. None The correct answer to the question: “Speed of a body can not be_______?” is “Negative”.