engineering mechanics Flashcards

1
Q

mass and forces

A

mass: amount of matter contained within in
force: weight is the force acting upon it due to the acceleration of gravity

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2
Q

principle of transmissibility of forces

A

force has the same effect whether its point of application is along its line of action

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3
Q

force couple formula

A

moment (Nm) = force (N) x distance from pivot point (m)

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4
Q

equilibrium

A

condition where all the forces are balanced

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5
Q

equilibriant

A

force that will balance out all other forces and place system in equilibrium

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6
Q

resultant

A

imaginary vector that could replace all the individual vectors acting yet having the same effect

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7
Q

concurrent, collinear, non-concurrent

A

concurrent: pass through same point
collinear: all on the same line
non-concurrent: may intersect at variable points or be parallel

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