# Mr. King's Physics Chapter 2

26 Questions  I  3 Attempts  I  Created By CGVO 249 days ago
Name

Question Excerpt From Mr. King's Physics Chapter 2
 Q.1) A 15-N force and a 45-N force act on an object in opposite directions. What is the net force on the object?
 A. 15 N
 B. 30 N
 C. 45 N
 D. 60 N
 E. none of the above
 Q.2) What is the maximum resultant possible when adding a 2-N forcee to an 8-N force?
 A. 2 N
 B. 6 N
 C. 8 N
 D. 10 N
 E. 16 N
 Q.3) A 5-N force and a 30-N force act in the same direction on an object. What is the net force on the object?
 A. 5 N
 B. 25 N
 C. 30 N
 D. 35 N
 E. none of the above
 Q.4) What is the minimum resultant possible when adding a 5-N force to an 8-N force?
 A. 5 N
 B. 3 N
 C. 8 N
 D. 13 N
 E. 40 N
 Q.5) Equilibrium occurs when
 A. all the forces acting on an object are balanced
 B. the sum of the +x forces on an object equals the sum of the -x forces
 C. the net force on the object is zero
 D. the sum of the upward forces equals the sum of the downward forces
 E. all of the above
 Q.6) A girl whose weight is 500 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension in each strand?
 A. 0 N
 B. 250 N
 C. 500 N
 D. 750 N
 E. 1000 N
 Q.7) The weight of a person can be represented by a vector that  acts
 A. in a direction that depends on where the person is standing
 B. perpendicular to the ground underneath the person
 C. parallel to the ground
 D. straight down, even if the person is standing on a hill
 E. all of the above
 Q.8) What would be the safest way to put up a clothesline?
 A. It doesn't make any difference which way the line is strung
 B. with the line very tight
 C. with some slack in the line
 Q.9) A barge is being pulled along a canal by two ropes that make equal angles with the direction in which the barge points. Assuming the two pulls on the barge are equal, in what direction does the barge move?
 A. it oscillates back and forth between the two banks
 C. it moves in the direction of the resultant force on it
 D. both A and B
 E. both B and C
 Q.10) A clothesline is stretched between two trees. A tire hangs in the middle of the line and the two halves of the line make equal angles with the horizontal. The tension in the line is
 A. half the tire's weight
 B. is less than half the tire's weight
 C. is more than half the tire's weight
 Q.11) A 100-N lantern is suspended by a pair of ropes with 120 degrees between them (each 60 degrees from the vertical). The tension in each rope is
 A. less than 100 N
 B. more than 100 N
 C. 100 N
 Q.12) What is needed to describe a vector quantity?
 A. only magnitude
 B. only direction
 C. both magnitude and direction
 D. neither magnitude nor direction
 Q.13) A scalar quantity has
 A. only direction
 B. only magnitude
 C. both magnitude and direction
 D. neither magnitude nor direction
 Q.14) In order to find the components of a vector, you should
 A. draw the vector with correct magnitude and orientation
 B. measure the sides of the rectangle
 C. draw a rectangle so that the vector is the diagonal
 D. all of the above
 Q.15) You are helping your aunt move a piano onwheels from one room to another. When you push the piano horizontally, it moves at constant speed. What can you say about the piano?
 A. It is in static equilibrium
 B. it is in dynamic equilibrium
 C. it is in equilibrium because it doesn't experience a friction force
 D. it is in equilibrium because it experiences net force opposite to the friction force
 Q.16) A quantity that has both magnitude and direction is called scalar quantity
 A. True
 B. False
 Q.17) A quantity that has only magnitude is called a vector quantity
 A. True
 B. False
 Q.18) Mass is a vector quantity
 A. True
 B. False
 Q.19) a single vector can be replaced by two vectors in the x- and y- directions that are at right angles to each other. These two x and y vectors are called the resulatnats of the original vector
 A. True
 B. False
 Q.20) Any vector can be represented by two other vectors that are right angles to each other
 A. True
 B. False
 Q.21) Objects moving at constant speed in a straight-line path are in static equilibrium
 A. True
 B. False
 Q.22) An object in static equilibrium is in a state of no motion
 A. True
 B. False
 Q.23) What is the magnitude of the resulatant of a 6.0-N force acting vertically upward and a 4.0-N force acting horizontally?
 Q.24) a 230.0 kg bear grasping a vertical tree slides odwn at constant velocity. What is the friction force between the tree and the bear?
 Q.25) Two forces of 10 N both act on an object. The angle between the forces is 90. What is the magnitude of their resultant?
 Q.26) The following forces act on an object: 9 N north, 52 N south, and 55 N west. What is the magnitude of the net force?

Take this quiz by clicking Start button on top.