Scalar & Vector Flashcards
1
Q
Meaning of Scalar Quantity
A
has magnitude only
2
Q
Example of Scalar Quantity
A
distance, area/volume, charge, temperature, power, mass, work, energy, speed, density
3
Q
Meaning of Vector Quantity
A
has both magnitude and direction
4
Q
Example of Vector Quantity
A
displacement, weight, force, momentum, velocity, acceleration
5
Q
Notation for vectors
A
→
v
6
Q
Notation for magnitude of vectors
A
|→|
v
7
Q
Equation for resultant vector, C
A
C = A + B
8
Q
Formula for magnitude of resultant force
A
→ → → →
|A+B|=√(A+B)^2
9
Q
Formula for direction of resultant vector
A
tan θ = | y-axis/x-axis |
10
Q
Formula for length of x-axis
A
→
D(x) = D cos θ
11
Q
Formula for length of y-axis
A
→
D(y) = D sin θ
12
Q
Vector writing form
A
→
D = D(x)i + D(y)j
13
Q
A
