Everything Science Grade 10

CHAPTER 20. VECTORS AND SCALARS 20.1 DEFINITION: Vector A vector is a physical quantity that has both amagnitudeand adirection. ...

20.1 CHAPTER 20. VECTORS AND SCALARS Vector notation ESAGJ Vectors are different to scalars and must have their own notation. Th ...

CHAPTER 20. VECTORS AND SCALARS 20.1 Directions ESAGL There are many acceptable methods of writing vectors. As long as the vecto ...

20.1 CHAPTER 20. VECTORS AND SCALARS Exercise 20 - 2 1. Classify the following quantities as scalars or vectors: a. 12 km b. 1 m ...

CHAPTER 20. VECTORS AND SCALARS 20.1 2. Decide on a reference direction 3. Determine the length of the arrow representing the ve ...

20.1 CHAPTER 20. VECTORS AND SCALARS Example 2: Drawing vectors 2 QUESTION Draw the following vector quantity:→s= 16 m east SOLU ...

CHAPTER 20. VECTORS AND SCALARS 20.2 Properties of vectors ESAGN Vectors are mathematical objects and we will now study some of ...

20.2 CHAPTER 20. VECTORS AND SCALARS Addition and subtraction of vectors ESAGO Adding vectors When vectors are added, we need to ...

CHAPTER 20. VECTORS AND SCALARS 20.2 total. Therefore, if we add the displacement vectors for 2 steps and 3 steps, we should get ...

20.2 CHAPTER 20. VECTORS AND SCALARS What did you physically do to subtract 3 steps? You originally took 5 steps forward but the ...

CHAPTER 20. VECTORS AND SCALARS 20.3 F→ R (35 N) F→ R (5 N) There is a special name for the vector which has the same magnitude ...

20.3 CHAPTER 20. VECTORS AND SCALARS Method: Head-to-Tail Method of Vector Addition 1. Draw a rough sketch of the situation. 2. ...

CHAPTER 20. VECTORS AND SCALARS 20.3 Try a couple to convince yourself! + = = + = = + = =~ 0 + = =~ 0 It is important to realise ...

20.3 CHAPTER 20. VECTORS AND SCALARS length in the correct direction Start with your force vector and draw an arrow pointing to ...

CHAPTER 20. VECTORS AND SCALARS 20.3 define the positive direction asto the right. Step 2:Choose one of the vectors and draw it ...

20.3 CHAPTER 20. VECTORS AND SCALARS The resultant vector measures 0,75 cm which, using our scale is equiv- alent to 15 N and po ...

CHAPTER 20. VECTORS AND SCALARS 20.3 Step 1:Draw a rough sketch of the situation 10 m 2,5 m Wall Start Step 2:Decide which metho ...

20.3 CHAPTER 20. VECTORS AND SCALARS Example 6: Subtracting vectors algebraically I QUESTION Suppose that a tennis ball is throw ...

CHAPTER 20. VECTORS AND SCALARS 20.3 ∆~v = (− 2 m·s−^1 )−(+3m·s−^1 ) = (−5)m·s−^1 Step 6:Quote the resultant Remember that in th ...

20.3 CHAPTER 20. VECTORS AND SCALARS F~man = +5N F~crate = − 2 N Step 5:Subtract the vectors Thus, the resultant force is: F~man ...