Question 19 (1 point)
The use of all possible joint movements that contribute to a task's objectives results in
Question 19 options:
the production of maximum force
the production of maximum inertia
the production of maximum effort
the production of maximum speed
Question 20 (1 point)
Torque is the rotary effect created by
Question 20 options:
a frictional force
a centric force
a ground reaction force
an eccentric (off-centre) force
Question 21 (1 point)
A mechanical device where the force is applied between the fulcrum and the load is a
Question 21 options:
first class lever
second class lever
third class lever
none of the above
Question 22 (1 point)
According to Newton's second law of motion (acceleration), a force applied to an object causes an acceleration of that object of a magnitude that is
Question 22 options:
directly proportional to the force itself
unrelated to the object's mass
inversely proportional to the object's mass
the same as the object's mass
Question 23 (1 point)
Resistance to a change in motion is known as
Question 23 options:
mass
gravity
friction
inertia
Question 24 (1 point)
When a basketball rests motionless on a gymnasium floor, the floor exerts an unequal and opposite force upward on the basketball.
Question 24 options:
True
False
Question 25 (1 point)
An example of Isaac Newton's first law of motion (inertia) would be
Question 25 options:
a basketball resting motionless on the floor
a rock traveling endlessly into outer space
a bowling ball rolling evenly down a lane
all of the above
Question 26 (1 point)
The greater the applied impulse, the greater
Question 26 options:
the increase in velocity
the increase in momentum
the increase in acceleration
the increase in force
Question 27 (1 point)
Which biomechanical principle would feature prominently in the case of a child beginning to walk?
Question 27 options:
conservation of angular momentum
stability
the impulse-momentum relationship
torque
Question 28 (1 point)
Which biomechanics principle would feature prominently the case of a trampolinist doing a spin in the air.
Question 28 options:
the impulse-momentum relationship
torque
conservation of angular momentum
stability
Question 29 (1 point)
Plantar flexion is an example of a
Question 29 options:
first class lever
second class lever
third class lever
none of the above
Question 30 (1 point)
The skill of a slap shot in hockey requires the use of joints in order from largest to smallest. This is an example of which biomechanical principle?
Question 30 options:
Velocity
Stability
Impulse
Force
Question 31 (1 point)
How stable or balanced an individual is while performing a task depends on
Question 31 options:
the mass and the centre of mass
the base of support
the position of the centre of mass
all of the above
Question 32 (1 point)
A cyclist coasting down a hill is an example of which of Newton's three laws?
Question 32 options:
Second Law
Class 3 Lever
Third Law
First Law
1 answer
Question 20: an eccentric (off-centre) force
Question 21: first class lever
Question 22: directly proportional to the force itself
Question 23: inertia
Question 24: True
Question 25: all of the above
Question 26: the increase in momentum
Question 27: stability
Question 28: conservation of angular momentum
Question 29: third class lever
Question 30: Force
Question 31: all of the above
Question 32: First Law