Physics Lecture

Question 1

It is one that is described by a single number including units giving it’s size. The size is also referred as MAGNITUDE.

Answer 1

Scalar quantity

Question 2

What Quantity? Distance

Answer 2

Scalar Quantity

Question 3

What Quantity? Speed

Answer 3

Scalar Quantity

Question 4

What Quantity? Temperature

Answer 4

Scalar Quantity

Question 5

What Quantity? Mass ( 85 kg )

Answer 5

Scalar Quantity

Question 6

It is characterized by both magnitude and directions.

Answer 6

Vector Quantity

Question 7

What Quantity? Force

Answer 7

Vector quantity

Question 8

What Quantity? Velocity

Answer 8

Vector Quantity

Question 9

What Quantity? Displacements

Answer 9

Vector Quantity

Question 10

What sign is this? Half arrow head

Answer 10

Vector

Question 11

What sign is this? N

Answer 11

Newton

Question 12

What sign is this? X

Answer 12

Displacements

Question 13

It is quantity by which just add them and minus them

Answer 13

Scalar Quantity

Question 14

It is a quantity by which when calculating you have to consider the directions; manipulate the directions

Answer 14

Vector Quantity

Question 15

The magnitude and the directions of the two velocities produce a vector sum that must be determined by a process called…

Answer 15

Vector Addition

Question 16

———–>

Answer 16

Arrow-tipped line segment

Question 17

In vector quantity, if a magnitude of given direction is (-), what does it mean?

Answer 17

Adjust the directions like to South. Change it from Vy -> V( half arrowed)

Question 18

The vector sum of any two vectors can be found…..

Answer 18

Graphically

Question 19

Rule of solving vector Addition depends on Tail and heads

Answer 19

Tail to head ( tail ) to Head

Question 20

Rule in solving vector Addition in terms of putting the angle

Answer 20

Starting point of first vector to the resultant

Question 21

In solving vector Addition, the same sum would result since

Answer 21

Vector a + vector b = vector b + vector a

Question 22

When two quantities act in the same/opposite directions. Their numerical sum is the same as their algebraic sum.

Answer 22

Colinear vectors

Question 23

——>—–>

Answer 23

Colinear vectors

Question 24

Force which acts on the same point at the same time are called….

Answer 24

Concurrent forces

Question 25

Direction of the vector is expressed in terms of angle in degrees,n alwayseasured from the….or…..

Answer 25

0 line or positive x-axis to the vector arrow

Question 26

mks means

Answer 26

Meter, kilogram system, seconds

Question 27

The unit of force is….

Answer 27

N newton

Question 28

Aside from graphical method, what are other ways to solve for vector Addition

Answer 28

Analytical and Component ( polygon method )

Question 29

In vector Addition of forces, does the rules of significant figures will not followed?

Answer 29

Yes