Dynamics Flashcards

1
Q

Scalar quantity

definition

A

A quantity that only requires magnitude

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2
Q

Vector quantity

definition

A

A quantity that requires both magnitude and direction

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3
Q

What type of quantity is speed?

question

A

Scalar

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4
Q

What type of quantity is mass?

question

A

Scalar

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5
Q

What type of quantity is force?

question

A

Vector

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6
Q

What type of quantity is displacement?

question

A

Vector

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7
Q

Speed

equation

A

distance/ time

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8
Q

Velocity

equation

A

displacement/ time

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9
Q

scalars

Acceleration

equation

A

Change in speed/ time

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10
Q

vectors

Acceleration

Equation

A

Change in velocity/ time

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11
Q

Resultant force

definition

A

The sum/ total of all the forces acting upon an object

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12
Q

Average speed

equation

A

Total distance/ total time

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13
Q

Acceleration

Definition

A

The rate of change in speed

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14
Q

Newton’s First Law

Definition

A

An object at rest will remain at rest unless acted upon by a resultant force

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15
Q

Newton’s Second Law

Force

‘Equation’

A

Mass x Acceleration

F=ma

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16
Q
A