Quiz: Scalar And Vector Quantity In Physics
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Scalar and Vector are just two of the many quantities used in physics. Scalar is a quantity that is totally described by magnitude or size, whereas, a vector quantity is specified by both magnitudes as well as direction. So, here in this quiz, we are going to ask you nineteen questions about the same, read them carefully and answer correctly.
- 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.
- 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.
- 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.
- 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.
- A.
Diagram
- B.
X-axis
- C.
Frame of reference
- D.
Y-axis
- 18.
- A.
Straight down
- B.
Straight backward
- C.
Straight down and forward
- D.
Straight down and backward
- 19.
- 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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