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Finals > Mechanics > Flashcards

Mechanics Flashcards

1
Q

is that branch of mechanics which deals with the motion of bodies under the action of forces.

A

Dynamics

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2
Q

deals with the effects of forces on bodies at rest.

A

Statics

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3
Q

Dynamics has two distinct parts:

A

Kinematics
Kinetics

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4
Q

the study of motion without reference to the forces which cause motion

A

Kinematics

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5
Q

relates the action of forces on bodies to their resulting motions.

A

Kinetics

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6
Q

made careful observations concerning bodies in free fall, motion on an inclined plane, and motion of the pendulum.

A

Galileo (1564–1642)

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7
Q

is the geometric region occupied by bodies.

A

Space

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8
Q

which is generally recognized as one of the greatest of all recorded contributions to knowledge

A

Principia

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9
Q

was able to make an accurate formulation of the laws of motion and, thus, to place dynamics on a sound basis.

A

Newton (1642–1727)

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10
Q

an imaginary set of rectangular axes assumed to have no translation or rotation in space.

A

the primary inertial system or astronomical frame of reference

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11
Q

The basic frame of reference for the laws of Newtonian mechanics

A

the primary inertial system or astronomical frame of reference

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12
Q

is a measure of the succession of events and is considered an absolute quantity in Newtonian mechanics.

A

Time

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13
Q

is the quantitative measure of the inertia or resistance to change in motion of a body

A

Mass

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14
Q

the vector action of one body on another.

A

Force

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15
Q

is a body of negligible dimensions

A

Particle

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16
Q

is a body whose changes in shape are negligible compared with the overall dimensions of the body or with the changes in position of the body as a whole.

A

Rigid body

17
Q

Law I

A

A particle remains at rest or continues to move with uniform velocity (in a straight line with a constant speed) if there is no unbalanced force acting on it.

18
Q

Law II

A

The acceleration of a particle is proportional to the resultant force acting on it and is in the direction of this force.

19
Q

Law III

A

The forces of action and reaction between interacting bodies are equal in magnitude, opposite in direction, and collinear.

20
Q

Newton’s second law forms the basis for most of the analysis in dynamics.

A

F=ma

Finals (6 decks)

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