Physics Multiple Choice
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- 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.
- 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.
Tan angle
- B.
Cos angle
- C.
Cot angle
- D.
Sin 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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