P1 VECTORS Flashcards

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1
Q

Vector

A

A physical quantity with magnitude and direction.

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2
Q

Scaler

A

A physical quantity with magnitude

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3
Q

resultant

A

It is the single vector having the same effect as two or more vectors together.

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4
Q

components of a vector

A

The horizontal and vertical parts of a two-dimensional vector that makes an angle

θ with the x-axis.

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5
Q

vector resolution

A

To break a vector up into its components.

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6
Q

equilibrium

A

The state or condition of a system when all the forces acting on the system

produce a zero resultant.

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7
Q

static equilibrium

A

The state or condition of a system when all the forces acting on the system

produce a zero resultant and the system is at rest.

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8
Q

dynamic equilibrium

A

The state or condition of a moving system when all the forces acting on the
system produce a zero resultant and there is no change in the motion of the
system.

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9
Q

weight

A

The gravitational force the Earth exerts on any object on or near its surface.

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10
Q

normal force

A

The force or the component of a force which a surface exerts on an object with

which it is in contact, and which is perpendicular to the surface.

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11
Q

frictional force

A

The force that opposes the motion of an object and which acts parallel to the

surface.

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12
Q

static frictional force

A

The force that opposes the tendency of motion of a stationary object relative to a

surface.

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13
Q

kinetic frictional force

A

The force that opposes the motion of a moving object relative to a surface.

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