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## PowerPoint Slideshow about 'Concepts of Motion' - demont

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Reading Question

For class today I read

- Zero per cent
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- 100 per cent

Reading Question

What is a “particle”?

1. Any part of an atom

2. An object that can be represented as a mass at a single point in space

3. A part of a whole

4. An object that can be represented as a single point in time

5. An object that has no top or bottom, no front or back

Reading Question

What is a “particle”?

1. Any part of an atom

2. An object that can be represented as a mass at a single point in space

3. A part of a whole

4. An object that can be represented as a single point in time

5. An object that has no top or bottom, no front or back

Reading Question

What quantities are shown on a complete motion diagram?

1. The position of the object in each frame of the film, shown as a dot

2. The average velocity vectors (found by connecting each dot in the motion diagram to the next with a vector arrow)

3. The average acceleration vectors (there is one acceleration vector linking each two velocity vectors)

4. All of the above

Reading Question

What quantities are shown on a complete motion diagram?

1. The position of the object in each frame of the film, shown as a dot

2. The average velocity vectors (found by connecting each dot in the motion diagram to the next with a vector arrow)

3. The average acceleration vectors (there is one acceleration vector linking each two velocity vectors)

4. All of the above

Reading Question

The pictorial representation of a physics problem consists of

1. a sketch.

2. a coordinate system.

3. symbols.

4. a table of values.

5. all of the above.

Reading Question

The pictorial representation of a physics problem consists of

1. a sketch.

2. a coordinate system.

3. symbols.

4. a table of values.

5. all of the above.

Vectors

A vector is defined as a mathematical quantity with magnitude and direction.

- displacement
- temperature
- velocity
- pressure
- acceleration

A scalar is a mathematical quantity that has magnitude only

Vectors

Vector addition

Vectors

Vector Properties

Vectors

Displacement

Class Question

A particle moves from position 1 to position 2 during the interval ∆t. Which vector shows the particle’s average velocity?

(1) (2) (3) (4) (5)

Class Question

A particle moves from position 1 to position 2 during the interval ∆t. Which vector shows the particle’s average velocity?

(1) (2) (3) (4) (5)

Class Question

A particle undergoes acceleration while moving from point 1 to point 2. Which of the choices shows the velocity vector as the object moves away from point 2?

(1)

(3)

(2)

(4)

Class Question

A particle undergoes acceleration while moving from point 1 to point 2. Which of the choices shows the velocity vector as the object moves away from point 2?

(1)

(3)

(4)

(2)

Class Question

An acceleration vector

1. tells you how fast an object is going.

2. is constructed from two velocity vectors.

3. is the second derivative of the position.

4. is parallel or opposite to the direction of motion.

5. Acceleration vectors weren’t discussed in this chapter.

Class Question

An acceleration vector

1. tells you how fast an object is going.

2. is constructed from two velocity vectors.

3. is the second derivative of the position.

4. is parallel or opposite to the direction of motion.

5. Acceleration vectors weren’t discussed in this chapter.

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