# Physics Multiple Choice

19 Questions  I  By Misstrey

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## Questions and Answers

 1 Which of the following is a physical quantity that has a magnitude but no direction?
 A. Vector
 B. Frame of reference
 C. Resultant
 D. Scalar
 2 Multiplying or dividing vectors by scalars results in
 A. Vectors if multiplied or scalars if divided
 B. Scalars if multiplied scalars
 C. Scalars
 D. Vectors
 3 Identify the following quantities as scalar or vector: the mass of an object, the number of leaves on a tree, wind velocity.
 A. Vector, scalar, scalar
 B. Vector, scalar, vector
 C. Scalar, scalar, vector
 D. Scalar, vector, vector
 4 Which of the following is an example of a vector quantity?
 A. Temperature
 B. Velocity
 C. Volume
 D. Mass
 5 Which of the following is a physical quantity that has both magnitude and direction?
 A. Vector
 B. Scalar
 C. Frame of reference
 D. Resultant
 6 Identify the following quantities as scalar or vector: the speed of a snail, the time it takes to run a mile, the free-fall acceleration
 A. Vector, scalar, scalar
 B. Scalar, scalar, vector
 C. Vector, scalar, vector
 D. Scalar, vector, vector
 7 An ant on a picnic table travels 3.0*10^1 cm eastward, then 25 cm northward, and finally 15 cm westward. What is the magnitude  of the ant's displacement relative to its original position?
 A. 29 cm
 B. 70 cm
 C. 57 cm
 D. 52 cm
 8 For the winter, a duck flies 10.0 m/s due south against a gust of wind with a speed of 2.5 m/s. What is the resultant velocity of the duck?
 A. -7.5 m/s south
 B. 12.5 m/s south
 C. 7.5 m/s south
 D. -12.5 m/s south
 9 In a coordinate system, a vector is oriented at angle with respect to the x-axis. The y component of the vector equals the vector's magnitude multiplied by which trigonometric function?
 A. Cos angle
 B. Cot angle
 C. Sin angle
 D. Tan angle
 10 In a coordinate system, a vector is oriented at angle with respet to the x-axis. The x component of the vector equals the vector's magnitude multiplied by which trigonometric function?
 A. Tan angle
 B. Cos angle
 C. Cot angle
 D. Sin angle
 11 Which of the following is the motion of objects moving in two dimensions under the influence of gravity?
 A. Vertical velocity
 B. Horizontal velocity
 C. Directrix
 D. Projectile motion
 12 Which of the following does not exhibit  parabolic motion?
 A. A baseball thrown to home plate
 B. A frog jumping from land into water
 C. A flat piece of paper released from a window
 D. A basketball thrown to a hoop
 13 What is the path of a projectile (in the absence of friction)?
 A. A wavy line
 B. Projectiles do not follow a predictable path.
 C. A hyperbola
 D. A parabola
 14 Which of the following is not an example of projectile motion?
 A. A volleyball served over a net
 B. A baseball hit by a bat
 C. A hot-air balloon drifting toward Earth
 D. A long jumper in action
 15 Which of the following exhibits parabolic motion?
 A. A space shuttle orbiting Earth
 B. A leaf falling from a tree
 C. A stone thrown into a lake
 D. A train moving along a flat track
 16 Which of the following is an example of projectile motion?
 A. An aluminum can dropped straight down into the recycling bin
 B. A thrown baseball
 C. A spaece shuttle being launched
 D. A jet lifting off a runway
 17 Which of the following is a coordinate system for specifying the precise location of objects in space?
 A. Diagram
 B. X-axis
 C. Frame of reference
 D. Y-axis
 18 A piece of chalk is dropped by a teacher walking at a speed of 1.5 m/s. From the teacher's perspective, the chalk appears fall
 A. Straight down
 B. Straight backward
 C. Straight down and forward
 D. Straight down and backward
 19 A passenger on a bus moving east sees a man standing on a curb. From the passenger's perspective, the man appears to
 A. Move west at a speed that is equal to the bus's speed.
 B. Move west at a speed that is less than the bus's speed
 C. Stand still..
 D. Move east at a speed that is equal to the bus's speed.
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