Exam (elaborations)
KNES 415 TEST 3 questions with correct answers.
- Course
- Knes
- Institution
- University Of Maryland - University College
KNES 415 TEST 3 questions with correct answers.
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KNES 415 TEST 3 questions with correct answersdeals with forces or influences Correct Answer-kinetics
what are examples of kinetics? Correct Answer-friction; gravity; tension
with kinetics, everything you feel is ___ of you Correct Answer-outside
what does the ball feel? what do you feel? Correct Answer-kinetics
deals with motion Correct Answer-kinematics
how fast does it travel? what is the acceleration? where is the ball?
where is it going? Correct Answer-kinematics
"m" Correct Answer-mass
mass is a variable of ___ Correct Answer-kinematics
possessing only magnitude Correct Answer-scalar
the quantity possessing magnitude and direction Correct Answer-vectors
vectors sea with what two things? Correct Answer-displacement and
velocity
,vectors deals with what two things? Correct Answer-displacement and
velocity
what is newtons 1st law? Correct Answer-law of inertia
what are newtons 3 laws of inertia? Correct Answer-1. objects have
resistance to change in motion that is directly proportional to the objects
mass
2. an object with no unbalanced forces influencing it will remain at rest
(force=0)
3. an object in motion and no unbalanced forces influencing it will
continue moving at a constant velocity in a straight line
how muscles influence joints is what type of application? Correct
Answer-rotational
an objects resistance to change in spin/rotation is affected by the mass
and mass distribution Correct Answer-moment of inertia
to resist an object and change in its motion and its measured how do you
affect an objects change in motion Correct Answer-newtons 1st law of
inertia
, mass is a ___ quality Correct Answer-scalar
inertia is measured in ___ and is a __ law Correct Answer-mass;
kinematic
newtons laws traditionally are only found in a ___ world but in
biomechanics they can be applied in ___ and ___ Correct Answer-linear;
curves and rotations
applied angularly is called___ Correct Answer-torque
newtons that are applied angularly (torque) is ___ ___ ___ Correct
Answer-moment of inertia
change of objects spin Correct Answer-moment of inertia
if all the mass is farther away, would be be harder or easier for the merry
go round to turn? Correct Answer-harder
if the mass is all the same, what makes it more difficult to spin? Correct
Answer-the distribution of the mass
what are the 4 types of forces? Correct Answer-magnitude (size);
direction/line or action; point of application; sense
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