Biomechanics

Question 1

Biomechanics is defined as the:

a. physical laws of biology that relate to mammals
b. mechanical principles that directly relate to the body
c. mechanical aspects of biology and science
d. biological principles that involve human movement

Answer 1

b. mechanical principles that directly relate to the body

Question 2

A force can occur in what ways?

a. direction, movement and structure
b. direction, stability, strength
c. stability, mobility and function
d. movement, structure, function

Answer 2

a. direction, movement, structure

Question 3

A rolling ball that meets no resistance and continues to travel is an example of:

a. mass
b. torque
c. inertia
d. gravity

Answer 3

c. inertia

Question 4

a force that resists the relative motion of two surfaces is:

a. vector
b. friction
c. statics
d. time

Answer 4

b. friction

Question 5

Which of the following has the greatest effect on your physical movement?

a. flexibility
b. gravity
c. strength
d. time

Answer 5

b. gravity

Question 6

Running into an elk demonstrates which of Newton’s three laws of motion?

a. law of inertia
b. law of action
c. law of acceleration
d. law of mobility

Answer 6

a. law of inertia

Question 7

Which of the following are critical factors of Newton’s second law of motion?

a. mass, vectors, gravity
b. force, gravity, light
c. vectors, gravity, acceleration
d. force, mass, acceleration

Answer 7

d. force, mass, acceleration

Question 8

stepping off a free-floating canoe onto an unstable dock is an example of:

a. vector and force
b. action and reaction
c. acceleration and deceleration
d. force and stability

Answer 8

b. action and reaction

Question 9

Force can be divided into which three systems?

a. circular, collateral, striated
b. linear, perpendicular, vector
c. linear, parallel, concurrent
d. oblong, simultaneous, regional

Answer 9

c. linear, parallel, concurrent

Question 10

Turning a wrench is al example of:

a. torque
b. gravity
c. vector
d. force

Answer 10

a. torque

Question 11

building a lever requires an axis and a:

a. rigid bar
b. plane
c. triangle
d. ball

Answer 11

a. rigid bar

Question 12

An example of a second-class lever is:

a. crowbar
b. shovel
c. wheelbarrow
d. drill

Answer 12

c. wheelbarrow

Question 13

A broom, a pair of tweezers and a baseball are all examples of what type of lever?

a. first-class
b. fifth-class
c. third-class
d. fourth-class

Answer 13

c. third-c;ass

Question 14

Which of the following generates the necessary support for mobility?

a. eccentricity
b. extensibility
c. flexibility
d. stability

Answer 14

d. stability

Question 15

The sport of jello-o wrestling highlights the biomechanical principles of friction and:

a. law of vector
b. base of support
c. frame of torsion
d. line of gravity

Answer 15

b. base of support