forces Flashcards

1
Q

force

A

push/pull that tends to alter the motion state of a body (N)

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2
Q

3 types of forces

A

mechanical
gravitational
frictional

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3
Q

1st law

A

law of inertia
- everybody continues in its state of rest/of uniform motion in a straight path, unless compelled to change that state by forces impressed upon it

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4
Q

2nd law

A

law of acceleration
- change of motion proportional to the force impressed and is made in the direction of the straight line in which that force is impressed

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5
Q

3rd law

A

law of action/reaction

- to every action there is always opposed and equal reaction

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6
Q

linear force equation

A

ma

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7
Q

moment equation

A

Ia

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8
Q

m&i

A

ineria - physcial property that resists motion, mass of moving segments, distribution of mass

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9
Q

F&moment

A

kinetics - forces that cause motion

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10
Q

a&alpha (4)

A

kinematics - parameters of motion
whole body movement
segment movement
joint rotation

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