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AP Physics 1: Algebra-Based
Unit 1: Kinematics
1.1 Scalars and Vectors in One Dimension
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Cards (32)
Scalars have magnitude but no direction
True
Vector quantities require both magnitude and
direction
What is the magnitude of a vector?
Its size or extent
Steps of the head-to-tail method for vector addition
1️⃣ Place the tail of the second vector at the head of the first
2️⃣ Draw a resultant vector from the tail of the first to the head of the last
For
vector
subtraction, the second vector is drawn in the opposite direction
True
Physical quantities that have only magnitude are called
scalars
What is the defining characteristic of vectors?
Magnitude and direction
Vectors have magnitude but no direction.
False
What is an example of a vector quantity?
Displacement
The path along which a vector acts is its
direction
Steps in the Head-to-Tail method for vector addition:
1️⃣ Draw the first vector
2️⃣ Place the tail of the second vector at the head of the first
3️⃣ Draw the resultant vector from the tail of the first to the head of the second
In the parallelogram method, the diagonal starting from the origin represents the
resultant
In arrow notation, what does the length of the arrow represent?
Magnitude
Distance is a
scalar quantity
that measures the total path length covered by an object.
True
How are vectors added in one-dimensional problems?
Adding components
What is the key difference between scalars and vectors?
Direction
What is an example of a scalar quantity?
Mass
What is an example of a vector quantity?
Force
The direction of a vector is often indicated by an angle or compass
bearing
What does the diagonal in the parallelogram method represent?
Resultant vector
What is the defining characteristic of scalars?
Magnitude only
Scalars have direction.
False
Physical quantities that have both magnitude and direction are called
vectors
Match the scalar quantities with their examples:
Mass ↔️ kg
Time ↔️ seconds
Temperature ↔️ degrees
Velocity is a vector quantity because it has both
magnitude
and direction.
True
What is the magnitude of a vector expressed in units like meters or Newtons?
Size or extent
What geometric shape is completed in the parallelogram method for vector addition?
Parallelogram
In vector subtraction, the second vector is drawn in the opposite direction compared to
addition
.
True
In component notation, a vector is represented by its
x
and y components.
What is the defining characteristic of displacement?
Change in position
Distance measures the total
path
length covered by an object.
When subtracting vectors in one-dimensional problems, you must consider the
direction
(positive or negative).
True
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