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Yr 11: Bio-mechanics Flashcards | StudBud
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Yr 11: Bio-mechanics
Yr 11: Bio-mechanics
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#Bio-mechanics
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
Summation of force is the
Achievement of submaximal force
perfect timing & technique
Achievement of minimal force
Achievement of maximal force via perfect timing & technique
2
Why do we use bio-mechanics in sport?
to study the human body and the cardiopulmonary system
to understand how bones work in the body
to decrease the risk of injury.
to increase performance.
3
COG, BOS and LOG all refer to to what bio-mechanic principle.
Momentum
Motion
Balance
Inertia
4
What class of lever is in the image?
4th
3rd
1st
2nd
5
The amount of acceleration depends on the strength of the force applied to an object.
2nd NEWTON’S LAWS OF MOTION
3rd NEWTON’S LAWS OF MOTION
4th NEWTON’S LAWS OF MOTION
1st NEWTON’S LAWS OF MOTION
6
Balance is concerned with what two major things
COG and LOG
BOS over the COG
LOG over the BOS
COG over the BOS
7
Isotonic force is refereed to as the
Change in the muscle length
No change in muscle length
Maximal force
Sequencing of muscles
8
Isometric force is referred to as the
change in muscle length
no change in muscle length
Less than maximal movement
sequencing of all muscle groups
9
What class of lever is in the image?
3rd
2nd
4th
1st
10
The Law of Action-Reaction is
An object in motion tends to stay in motion
For every action there is an equal and opposite reaction.
acceleration depends on the strength
Acceleration is in proportional to the mass of an object
11
What class of lever is in the image?
3rd
2nd
1st
4th
12
Force is defined as
Pushing/ pulling activities that alter the state of the body
muscular contractions
the use of as many body parts as possible
improvement of technique
13
Gravity
is
the mutual attraction between the earth and an object
True
False
14
What class of lever is in the image?
1st
3rd
2nd
4th
15
There are 4 types of forces, from the options below which are the correct three?
momentum, maximal & sub maximal
sub maximal, Isometric, isotonic
momentum, isotonic & impulse
Isometric, isotonic & impulse
16
Maximal force is
Sequencing of small muscle groups
any effort requiring 100% force application.
any effort over 90%
No change in muscle length
17
What class of lever is in the image?
1st
4th
3rd
2nd
18
The greater the mass of the object the more stable it will be
True
False
19
The wider the base of support the less stable the object is.
False
True
20
For sequential force summation what is required (More than 1 answer)
Use the largest parts/muscles first
Use the smallest parts/muscles first
Use as many body parts as possible
Use as little body parts as possible
21
True or false the higher the center of gravity the more stable the object.
True
False
22
State of Equilibrium
iswhen an object is balanced and all forces acting on it are even
True
False
23
Submaximal force is the internal force that requires
a effort of 100%
change in muscle length
A movement performed at 100% in a controlled motion
any movement requiring a controlled movement less than 100%
24
What class of lever is in the image?
1st
3rd
2nd
4th
25
An object at rest tends to stay at rest and an object in motion tends to stay in motion
2nd NEWTON’S LAWS OF MOTION
1st NEWTON’S LAWS OF MOTION
4th NEWTON’S LAWS OF MOTION
3rd NEWTON’S LAWS OF MOTION
26
What class of lever is in the image?
4th
1st
3rd
2nd
27
What are the three components of a lever?
Fulcrum, resistance & effort
load, effort & effect
lever, weight & size
Fulcrum, effort & load
28
What class of lever is in the image?
4th
2nd
1st
3rd
29
Sport bio-mechanics is defined as
the study of ecosystems
the study of animals
the study of physics applied to human movement
the study of humans
30
What class of lever is in the image?
4th
1st
3rd
2nd
31
Gravitational Force
is
always directed _______ toward the center of the earth
Horizontal;
vertically
32
How do we investigate bio mechanics?
friction platforms
Computer and digital analysis
windmyography
Force platforms
