WorksheetsSea Perch Forces and Vectors
Total questions: 10
Worksheet time: 5mins
When a Sea Perch is neutrally buoyant the upward buoyancy vector and the downward buoyancy vector...
have dissimilar magnitude and similar direction.
are equal in magnitude.
have an upward resultant vector.
keep the Perch in forward motion.
If a Sea Perch is positively buoyant a(n) __________ force must be applied to keep it underwater.
upward
downward
lateral
neutral
What force must the Sea Perch thrusters overcome in order to move the Perch forward?
Weight
Buoyancy
Equilibrium
Water drag
If the right thruster applies a forward force and the left thruster applies a backward force the Perch will
gradually turn to the left.
pivot to the left around the center of mass.
dive to the right.
corkscrew downward and left.
If a thruster pushes water backward, there will be a __________ resultant force.
rightward
leftward
rearward
forward
If a stationary object has two forces of the same magnitude but opposite directions acting on it,
It will move left.
It will sink.
It will remain at rest.
It will experience structural failure.
If all of the forces acting on an object are the same magnitude, the object is in
perpetual motion.
equilibrium.
disrepair.
the garage.
In order for an object to change its state of motion you must introduce
an equilibrium.
an aquarium.
an unbalanced force.
a ubiquitous force.
A push or pull on an object is called
power.
force.
a Newton.
vector.
Sir Isaac Newton is credited with discovering gravity and for what is now known as Newton's Laws of
Reaction.
Opposition.
Perpetuation.
Motion.
