1D Motion Flashcards

1
Q

What is Mechanics?

A

The study of the relationship between force, matter and motion.

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2
Q

What is Kinematics?

A

The mathematical description of motion.

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3
Q

What is dynamics?

A

Causes of motion.

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4
Q

What is the Reference Frame?

A

The mathematical coordinate system used to describe space and time.

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5
Q

What is Position?

A

The location of a particle, relative to a chosen reference point.

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6
Q

What is distance?

A

The length of a faith travelled by a particle.

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7
Q

What is displacement?

A

The change in position of a particle.

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8
Q

What is Velocity?

A

The distance covered per unit time in a particular direction.

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9
Q

What is speed?

A

Distance cover per unit time.

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10
Q

What is average speed?

A

The displacement of a particle within a specified time interval.

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11
Q

What does the slope of a Distance-Time Graph show?

A

The Average Speed

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12
Q

What is average velocity?

A

A particle’s displacement in a particular direction divided by the time interval.

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13
Q

What does it mean when average velocity is positive?

A

Particle is moving right.

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14
Q

What does it mean when the average velocity is negative?

A

The particle is moving left.

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15
Q

What does it mean when the average velocity is 0?

A

The particle is stationery.

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16
Q

What is instantaneous velocity?

A

The limit of average velocity as the time interval approaches 0.

17
Q

Formula of Instantaneous Velocity?

A

V(x)= lim
🔺➡️0 (🔺X/🔺t)

18
Q

What is acceleration?

A

Rate of change of velocity over time.

19
Q

What is the Limit?

A

A value that you can get infinitely closer to but can never achieve for it does not exist.

20
Q

What is average acceleration?

A

The total change in velocity in a given time, divided by the time interval take for the change.

21
Q

What is instantaneous acceleration.

A

The limit of average acceleration as the time interval approaches 0.

22
Q

Formula for instantaneous acceleration?

A

a(t)= lim
🔺➡️0 (🔺v/🔺t)

23
Q

What is constant acceleration?

A

Change of velocity at the same rate.

24
Q

Formula for constant acceleration?

A

V(f)^2 = V(0)^2 + 2a🔺X

25
Q

What is free fall?

A

The natural phenomenon of downward motion of an object with no initial force or velocity due to gravity.

26
Q

What is the acceleration of gravity?

A

9.8m/s^2

27
Q

5 Formulas of motion.

A
  1. V(f) = X/t
  2. V(f)= 1/2 (V(f)+V(0))t
  3. 🔺X = V(0)t+1/2at^2
  4. V(f)= V(0) + at
  5. V(f)^2 = V(0)^2+2a🔺X
28
Q

3 formulas of Free Fall?

A
  1. 🔺Y= V(0)t-1/2gt^2
  2. V(f)= V(0)-gt
  3. V(f)^2 = V(0)^2-2g🔺Y