Definition of Terms Flashcards

1
Q

It is concerned with the motion of the objects without reference to the force that caused the motion

A

Kinematics

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2
Q

This is the scalar quantity which refers to how much ground an object has covered while in motion

A

Distance

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3
Q

This is a vector quantity concerned with how far the object is from its starting to end point

A

Displacement

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4
Q

This is a scalar quantity which refers to how fast one is moving

A

Speed

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5
Q

A vector quantity which refers to how fast one moved from its starting and end point

A

Velocity

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6
Q

It is distance over time

A

Speed

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7
Q

It is displacement over time, rather

A

Velocity

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8
Q

The vector quantity which defines the change in an object’s velocity

A

Acceleration

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9
Q

What does the direction of acceleration depend on?

A

It depends whether the object is accelerating or decelerating

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10
Q

(Position v Time Graph)

What happens when the plot of the graph goes up?

A

It has constant speed or velocity.

It has zero acceleration.

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11
Q

(Position v Time Graph)

What happens when the plot of the graph is a straight line?

A

There is no velocity or speed present.

The object is at rest.

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12
Q

(Position v Time Graph)

What happens when the graph is an upward curve going to the right?

A

There is changing speed or velocity.

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13
Q

(Velocity v Time Graph)

What happens when the plot of the graph goes up?

A

There is constant acceleration. (Thus, the velocity changes.)

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14
Q

(Velocity v Time Graph)

What happens when the plot of the graph is a straight line?

A

There is zero acceleration. (Thus, the velocity is constant.)

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15
Q

(Velocity v Time Graph)

What happens when the graph is an upward curve going to the right?

A

There is a none uniformed acceleration.

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16
Q

(Position v Time)

This is the axis with the values of time on it.

17
Q

(Position v Time)

This is the axis with the values of the position on it.

18
Q

(Position v Time)

This indicates the velocity of the objects which is tentative due to the quantity.

A

Slope of the Line

19
Q

This is known as equal displacements which occur during successive equal intervals of time (Straight lines on the position v time graphs mean this.)

A

Uniform Motion

20
Q

(Position v Time)

  1. Steep slope = ?
  2. Shallow slope = ?
A
  1. Higher velocity

2. Less velocity

21
Q

(Velocity v Time)

This is the axis with the values of time on it.

22
Q

(Velocity v Time)

This is the axis with the values of velocity on it.

23
Q

This is the representation of acceleration in a velocity v time graph.

A

Slope of a Line

24
Q

This is known as equal intervals added to the velocity which occurs during successive equal time periods (Straight lines on the velocity v time graphs mean this.)

A

Uniformly Accelerated Motion

25
In what kind of situations do we use the Big Four formula?
1. When the displacement is not mentioned. 2. When the acceleration is not mentioned. 3. When the final velocity is not mentioned. 4. When the time is not mentioned.
26
This is in the indicated motion where the resistance of air is neglected and acceleration is shown to be constant. And the only force acting upon it is gravity.
Free fall | We're just ordinary *free-fall*