WorksheetsSEHS Topic 10.1 - Drag
Total questions: 36
Worksheet time: 20mins
The interaction that occurs between a body surface and the fluid or medium around it is known as
surface drag
form drag
wave drag
The resistive forces caused by the shape of an object or body as it moves through a fluid medium is known as
surface drag
form drag
wave drag
The opposing force caused by the body or object making waves or turbulence as it moves through a fluid medium is known as
surface drag
form drag
wave drag
A swimmer wears a polyurethane suit that traps air and allows for smoother contact with the water is attempting to reduce
form drag
wave drag
surface drag
Which are the three factors that most affect form drag?
shape, smoothness, orientation
size, shape, oblongation
sharpness, smoothness, orientation
shape, smoothness, oxidation
A cyclist changes his position on the bike by raises his forearms above the handlebars. Which of the following best describes the effect of this change on drag?
increased his form drag
decreased his form drag
increased his surface drag
decreased his surface drag
A cyclist changes his position on the bike by raises his forearms above the handlebars. Which of the following best describes the effect of this change on drag?
increased his form drag
decreased his form drag
increased his surface drag
decreased his surface drag
In free-body diagrams, the applied force most often refers to:
the force applied on a body
the force applied on a medium
force that opposes motion of a body
gravitational forces
In free-body diagrams, the frictional force most often refers to:
the force applied on a body
the force applied on a medium
force that opposes motion of a body
gravitational forces
In free-body diagrams, the normal force most often refers to:
the force that is perpendicular to the motion of a body and opposes gravitational force to a degree
the force that is perpendicular to the motion of a body
the force that is perpendicular to gravitational motion of a body
the normal forces that is experienced when an object is at rest
Which of the following is not a force that directly opposes the forward motion of a body?
friction
drag
air resistance
normal
Name the force best associated with Label W.
thrust
buoyancy
weight
drag
Name the force best associated with Label X.
thrust
buoyancy
weight
drag
Name the force best associated with Label Y.
thrust
buoyancy
weight
drag
Name the force best associated with Label Z.
thrust
buoyancy
weight
drag
Name the force best associated with Label Q.
backspin
magnus force
gravity
air resistance
Name the force best associated with Label R.
backspin
magnus force
gravity
air resistance
Name the force best associated with Label S.
backspin
magnus force
gravity
air resistance
Name the force best associated with Label T.
backspin
magnus force
gravity
air resistance
Name the force best associated with Label H.
air resistance
normal force
weight
friction
applied
Name the force best associated with Label I.
air resistance
normal force
weight
friction
applied
Name the force best associated with Label J.
air resistance
normal force
weight
friction
applied
Name the force best associated with Label K.
air resistance
normal force
weight
friction
applied
Name the force best associated with Label L.
air resistance
normal force
weight
friction
applied
Which shape produces the greatest amount of wave drag?
flat plate/disk
sphere
teardrop
Which shape produces the least amount of wave drag?
flat plate/disk
sphere
teardrop
Form drag can be adjusted while swimming. Which of the following does not help reduce form drag?
lowering the simmer's head into the water
swimming with the body as parallel to the water's surface as possible
swimming with arms parallel to direction of movement
swimming with arms perpendicular to direction of movement.
Friction is the ____________ that one surface exerts on another surface.
gravity
motion
force
What does friction do to the motion of an object?
Friction slows down or stops an object.
Friction keeps an object from moving.
Both of the above
What does the strength of the force depend on? Check the answers that apply.
The types of surfaces
The weather
How hard the surfaces push together
motion
The motion of an object will change when an unbalanced force is applied to it
true
false
