Scalars and Vectors
The distance from an origination point.
What is displacement.
The horizontal component of a vector is usually represented on this axis.
What is the X axis.
A vector is represented on paper by drawing this.
what is an arrow.
The result of the vector multiplication "dot product".
what is a scalar quantity.
The symbol used between the given vectors to represent it as a vector product.
What is an X.
Time, speed, and energy are examples.
What are scalar quantities.
The Y component of a 25 m. displacement measured at 60 degrees to the horizontal.
What is 12.5 m.
On a scaled vector diagram, if a 20 N. force is represented by a 10 cm. arrow, then this should be the length of a 10 N. force.
What is 5 cm.
The resultant of two perpendicular vectors using the dot product formula.
What is zero.
The result of the vector multiplication "cross product".
What is a vector quantity.
These two vectors are similar and physicsly allow a running back to score a TD.
What are momentum and impulse.
The saying that helps you identify which component is calculated using the cosine function.
What is "Cos is Close"
The magnitude of the resultant of two vectors that point in the same direction can be determined by this mathematical process.
What is addition.
Determine the dot product of [2, 3, 4] and [-3, -2, -1]
what is -16.
Determine the cross product between A=[2, 1, 0] and B=[3, 0, 1]
what is (1i -2j -3k).
This vector is the time rate change of velocity.
What is acceleration.
The eastern component of an airplane traveling at 327 m/s at a heading of 40 degrees north of east.
What is 250 m/s
The magnitude of vectors V1 = 76 m/s and V2 = 38 m/s if separated by 90 degrees.
What is 85 m/s.
The work done by a force of [2, 4, 6] moving an object through a displacement of [3,-3, -1]. Must include units!
what is -12 Joules
Determine the cross product between A= [2, 3, 4] and [2. 4. 6].
What is (2i -4j +2k).
These two vectors are associated with "fields".
What are Electric field and Gravitational field.
The component of a 100 N. box (weight) that causes the box to slide down a 30 degree inclined plane.
What is 50 N.
Given the following three vectors, add V1 - V2 + V3 in UVN.
V1) [2, -2, 4]
V2) [-2, -3, 5]
V3) [1, -2, -4]
What is 5i, -1j, 5k.
determine the angle between the vectors [2, 4, -3] and [3, -1, -4].
what is approximately 59 degrees.
Determine (3A X B) * 2C. (yes, the * is a dot!).
A = [1, 2, 3]
B = [-2, 4, -3]
C= [-3, 4, 5]
what is 372.