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WorksheetsBiomechanics
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Biomechanics deals with which of the following?
a)
force
b)
matter
c)
motion
d)
all of these
2.
The purpose of a machine (simple or otherwise) is to
a)
multiply a resistance
b)
move the fulcrum
c)
multiply a force you apply
d)
lengthen the effort arm
3.
Which MA formula is correct?
a)
Effort / Resistance
b)
Resistance / weight
c)
Length of resistance arm / length of effort arm
d)
Length of effort arm / length of resistance arm
4.
In the body, the effort is the
a)
muscle insertion
b)
muscle origin
c)
bone
d)
joint
5.
In the body, the fulcrum is at a
a)
muscle
b)
joint
c)
insertion
d)
weight
6.
Which order would be correct for a first class lever?
a)
FRE
b)
REF
c)
EFR
d)
FER
7.
Which part of a lever is in the middle in a second class lever?
a)
Fulcrum
b)
Resistance
c)
Effort
d)
Effort arm
8.
MA is the number of times the ____
a)
resistance is multiplied
b)
effort is multiplied
c)
resistance is divided
d)
effort is divided
9.
When MA is low (below 1), what is gained by using a lever if it is harder to use?
a)
more effort
b)
less effort
c)
more ROM
d)
less ROM
10.
In the body, a wheel and axle can do all of the following EXCEPT
a)
increase resistance
b)
increase ROM
c)
increase speed
d)
increase distance
11.
Which movement utilizes a wheel and axle in the body?
a)
rocking back on your Tar Heels
b)
up on your toes
c)
throwing a soft ball
d)
doing a bicep curl
12.
When a force is applied to the "wheel" (external obliques), the benefit is
a)
decreased speed
b)
increased speed
c)
decreased ROM
d)
increased ROM
13.
Pulleys in the body - as in the peroneus longs muscle- cause the movement to be _________ direction of the contraction
a)
opposite of the
b)
in the same
c)
enhanced by the
d)
neutralized by the
14.
You are competing in a 100m race in the pool. Each length of the pool is 50m. What is your displacement?
a)
0m
b)
50m
c)
100m
15.
You are running the 800m race on the SRHS track - which type of motion allows you to do so?
a)
linear
b)
angular
c)
linear and angular
d)
static
16.
a)
displacement
b)
friction
c)
inertia
d)
equilibrium
17.
If you can control both static equilibrium and dynamic equilibrium, then you are ____
a)
balanced
b)
static
c)
accelerating
d)
none of these
18.
a)
Rectilinear motion
b)
Static motion
c)
Linear motion
d)
Angular motion
19.
a)
wheel and axle
b)
angular motion
c)
velocity
d)
all of these
20.
a)
rolling friction
b)
ground reaction force
c)
law of reaction
d)
momentum
21.
a)
static friction
b)
kinetic friction
c)
rolling friction
d)
all of these
22.
a)
deccelerating
b)
rolling friction
c)
accelerating
d)
rolling friction and acceleration
23.
Low center of gravity leads to more stability
a)
true
b)
false
c)
sometimes true -sometimes false
d)
does anyone REALLY know the answer to this kind of question?
24.
A larger mass has greater ___
a)
momentum
b)
static friction
c)
inertia
d)
all of these
25.
a)
extension
b)
flexion
c)
adduction
d)
abduction
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