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Block Science > Motion And Newtons Laws > Flashcards

Motion And Newtons Laws Flashcards

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1
Q

How does inertia affect motion

A

Inertia resists change so more inertia means less change in motion

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2
Q

Will inertia of an object cub age if it goes to the moon

A

No objects will stay in motion unless acted on by another force sense gravity affects weight not the mass

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3
Q

What does inertia affect

A

Mass

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4
Q

What does gravity affect

A

Weight

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5
Q

What is the formula for speed

A

Speed=d/t

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6
Q

What is the formula for finding average speed and

A

Total distance/ total time

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7
Q

What does constant acceleration look like on a d T graph

A

Curving up

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8
Q

What does constant velocity look like on a d t graph

A

Straight increasing line

Or straight horizontal line

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9
Q

What does constant velocity look like on a s t graph

A

just straight horizontal line

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10
Q

What does constant positive acceleration look like on

A

Straight increasing line

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11
Q

How does a dot and arrows map show constant acceleration

A

By the dots space doubling in size each time, accelerating the same constant speed

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12
Q

Distance formula

A

D=s X t

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13
Q

What is a vector quantity

A

A quantity that includes magnitude and direction

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14
Q

What are two examples of vector quantities

A

Velocity and force

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15
Q

How is inertia related to mass

A

More mass equals more inertia

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16
Q

What is velocity

A

Speed in a direction

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17
Q

What is Newton’s first law motion

A

Law inertia, objects at rest tend to stay at rest, objects in motion to stay in motion unless acted on by an outside force

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18
Q

What is net force

A

Combination of all force vectors

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19
Q

What types of motion will have net forces of zero

A

At rest, balenced, constant velocity

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20
Q

What is support force

A

The force acting against gravity, normal force

21
Q

What formula is given by Newton’s second law

A

Force= m X a

22
Q

The acceleration due to gravity is

A

10/m/s/s

23
Q

How are acceleration and net force related

A

When force increases so does acceleration

24
Q

How is mass of an object related to its acceleration

A

When mass increase
Acceleration decrease
Curving down slope

25
Q

What is friction

A

A force that opposes motion

26
Q

What is weight

A

Is amount of force generated by the effect of gravity in the mass

27
Q

What is mass

A

Mass is amount of matter in an object

28
Q

Is mass or weight a force

A

Weight is a force mass is not

29
Q

What will change when you go to the moon

A

Weight

30
Q

Acceleration formula

A

A= f/m

31
Q

How to convert newtons weight into mass

A

‘N= kgX 10 m/s/s

So n/ 10 m/s/s = kg

32
Q

If force us doubled then the acceleration will

A

Double

33
Q

If mass is doubled then the acceleration will

A

Be halved

34
Q

What is the weight of a 90kg man

A

90kg X 10m/s/s = 900N

35
Q

What is another formula for acceleration

A

A= vf-vi/t

36
Q

Centripetal acceleration

A

Moving constant velocity in circle, feel like moving to the outside because of inertia but acceleration is pointing to the inside

37
Q

Gravitational force formula

A

M + M2/ d squared

38
Q

Weight formula

A

Gravity X mass in kg

10m/s/s X kg

39
Q

Formula for force

A

M X a

40
Q

What is a force

A

Push in or pull in a certain direction

41
Q

What kind of number is deceleration

A

Decimal

42
Q

One meter = —– mm

A

1000

43
Q

One meter =—— cm

A

100

44
Q

One km = ——m

A

1000 meters

45
Q

One kg = —– g

A

1000

46
Q

One meter =—-inches

A

39.37

47
Q

One km = —-mi

A

.62 miles

48
Q

One kg= —— pounds

A

2.2

Block Science (33 decks)

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