Ch.3

Question 1

Application of a single force of sufficient magnitude to cause
injury to a biological tissue

Answer 1

Acute loading

Question 2

Directed along the longitudinal axis of a body

Answer 2

Axial

Question 3

Asymmetric loading that produces tension on one side of a body’s longitudinal axis and compression on the other side

Answer 3

Bending

Question 4

Point around which a body’s weight is equally balanced, no matter how the body is positioned

Answer 4

Center of gravity

Question 5

Simultaneous action of more than one of the pure forms of loading

Answer 5

Combined loading

Question 6

Pressing or squeezing force directed axially through a body

Answer 6

Compression

Question 7

Change in shape

Answer 7

Deformation

Question 8

Mass per unit of volume (M/V)

Answer 8

Density

Question 9

Loss of mechanical continuity

Answer 9

Failure

Question 10

Push or pull, product or mass and acceleration

Answer 10

Force

Question 11

Sketch that shows a defined system in isolation with all of the force VECTORS acting on the system

Answer 11

Free body diagram

Question 12

Product of force and the time over which the force acts

Answer 12

Impulse

Question 13

Tendency of a body to resist a change in its state of motion

Answer 13

Inertia

Question 14

Quantity of matter contained in an object

Answer 14

Mass

Question 15

Resultant force derived from the composition of two or more
forces

Answer 15

Net force

Question 16

Force per unit of area over which a force acts

Answer 16

Pressure

Question 17

Repeated application of a subacute load that is usually of relatively low magnitude

Answer 17

Repetitive loading

Question 18

Physical quantity that is completely described by its magnitude

Answer 18

Scalar

Question 19

Force directed parallel to a surface

Answer 19

Shear

Question 20

Weight per unit of volume

Answer 20

Specific weight

Question 21

Distribution of force within a body, quantified as force divided by the area over which the force acts

Answer 21

Stress

Question 22

Pulling or stretching force directed axially through a body

Answer 22

Tension

Question 23

Rotary effect of a force

Answer 23

Torque

Question 24

Load-producing twisting of a body longitudinal axis

Answer 24

Torsion

Question 25

Physical quantity that possess both magnitude and direction

Answer 25

Vector

Question 26

Process of determining a single vector from two or more vectors by vector addition

Answer 26

Vector composition

Question 27

Operation that replaces a single vector with two perpendicular vectors such that the vector composition of the two perpendicular vectors yields the original vector

Answer 27

Vector resolution

Question 28

Amount of three-dimensional space occupied by a body

Answer 28

Volume

Question 29

Gravitational force that the earth exerts on a body

Answer 29

Weight

Question 30

Point on the load deformation curve past which deformation is permanent

Answer 30

Yield point (elastic limit)

Question 31

TF: Mass is proportional to size

Answer 31

False

Question 32

Characterized by magnitude, direction, and point of application

Answer 32

Force

Question 33

What is the unit for weight (it is a force)

Answer 33

N (Newtons)

Question 34

The force that determines the overall effect of all acting forces on a system

Answer 34

Net force

Question 35

What is the net force when all acting forces are balanced/cancel each other out?

Answer 35

0