Unit 2 Vocabulary Flashcards

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1
Q

displacement

A

the distance AND direction of movement by an object from its initial position to its final position

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2
Q

subtractive

A

when an object has two force vectors traveling in OPPOSITE directions, the vectors are …

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3
Q

additive

A

if an object has two force vectors traveling in the SAME direction, the vectors are …

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4
Q

applied

A

put into contact with

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5
Q

dyne

A

an SI unit of force equal to the amount of force required to accelerate a mass of ONE GRAM at a rate of ONE CENTIMETER per second squared. 1/100 000th of a newton.

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6
Q

force

A

a PUSH OR PULL exerted against an object or by an object

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7
Q

motion

A

MOVEMENT of an object that results in displacement due to an unbalanced force

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8
Q

scalar

A

a quantity that has ONLY magnitude

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9
Q

vector

A

quantities that tell us magnitude AND direction

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10
Q

unbalanced force

A

when a force on one side is not counteracted or balanced out by a corresponding force on the other side of the object

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11
Q

vector quantities include…

A

DVAF
D - displacement
V - velocity
A - acceleration
F - force

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12
Q

scalar quantities include…

A

TMDSV
T - time
M - mass
D - distance
S - speed
V - volume

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13
Q

force of indirect contact

A

forces exerted on objects from AFAR such as gravity and magnetism.

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14
Q

force of direct contact

A

forces that are applied DIRECTLY THROUGH CONTACT. there are caused when you push or pull against an object.

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14
Q

mass

A

the AMOUNT of matter in an object; typically measured in g/kg. an object’s ability to resist a force. how much force is required to change the object’s motion.

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14
Q

matter

A

the substance of which everything is made; not pure energy, but has mass and takes up space. anything that has inertia.

15
Q

weight

A

the amount of an object’s mass times the force of gravity acting upon that mass. the amount of force of attraction being exerted upon an object’s mass by gravity.

16
Q

density

A

the measure of how much mass OCCUPIES a particular space; d= m/v

17
Q

average

A

an arithmetic mean, or the symbol thereof

18
Q

instantaneous

A

existing or pertaining to a particular instant

19
Q

interval

A

a period of time between events

20
Q

speed

A

distance traveled in a particular amount of time

21
Q

uniform

A

identical or consistent

22
Q

velocity

A

speed that includes direction