Ch - 1 (Scalar and Vector) Flashcards

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1
Q

Define Scalar.

A

Quantities that have only magnitude.

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2
Q

Define vector.

A

Quantities that have both magnitude and direction.

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3
Q

What are examples of scalar?

A

Mass, speed, distance

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4
Q

What are examples of vector?

A

Weight, velocity, displacement

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5
Q

What are the measurements for scalar?

A
  1. Distance
  2. Speed
  3. Mass
  4. Energy
  5. Temperature
  6. Time
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6
Q

What are the measurements for Vector?

A
  1. Displacement
  2. Velocity
  3. Weight
  4. Force
  5. Acceleration
  6. Momentum
  7. Electric field strength
  8. Gravitational field strength.
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7
Q

How are vector represented?

A

An arrow

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8
Q

What does the arrowhead indicate?

A

The direction of the vector.

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9
Q

What does the length of arrow indicate?

A

The magnitude

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10
Q

What doe Fv rpresent?

A

Vertical component

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11
Q

What does Fh represent?

A

Horizontal component.

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12
Q

What is step 1 of calculating vectors graphically?

A

Choose a scale that fits the page.

For ex -
Use 1 cm = 10m
or
1 cm = 1 N

So that the diagram is around 10 com High.

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13
Q

What is step 2 of calculating vectors graphically?

A

Draw the vectors at right angles to one another.

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14
Q

What is step 3 of calculating vectors graphically?

A

Complete the rectangle.

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15
Q

What is step 4 of calculating vectors graphically?

A

Draw the resultant vector diagonally from the origin.

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16
Q

What is step 5 of calculating vectors graphically?

A

Carefully measure the length of the resultant vector.

17
Q

What is step 6 of calculating vectors graphically?

A

Use the scale factor to calculate the magnitude.

18
Q

What is step 7 of calculating vectors graphically?

A

Use the protractor to measure the angle.