Question 1

Torque is equal to:

Accepted Answer

A)  applied force x perpendicular distance from the axis of rotation 
B)  acceleration x velocity 
C)  rotational velocity minus linear velocity 
D)  force x acceleration 
E)  mass x force 
A)  applied force x perpendicular distance from the axis of rotation 
B)  acceleration x velocity 
C)  rotational velocity minus linear velocity 
D)  force x acceleration 
E)  mass x force

Question 2

It is possible to have an angular orientation of a point

Accepted Answer

A) True 
 B)False

Question 3

Angular motion is defined as:

Accepted Answer

A)  the rotation and translation of an object 
B)  an axis of rotation 
C)  the translatory movement of an object 
D)  the movement along a straight line 
E)  the rotatory movement of a body about an axis of rotation 
A)  the rotation and translation of an object 
B)  an axis of rotation 
C)  the translatory movement of an object 
D)  the movement along a straight line 
E)  the rotatory movement of a body about an axis of rotation

Question 4

Angular momentum is measured in the units of kg.m²/s

Accepted Answer

A) True 
 B)False

Question 5

If an athlete is rotating in a tucked position during a dive and they then extend their body, their moment of inertia about the axis of rotation will?

Accepted Answer

Increase d

Question 6

Moment of inertia is related to:

Accepted Answer

A)  the distribution of mass about the axis of rotation 
B)  the angular velocity of the limb 
C)  the resistance offered by an object to rotate 
D)  mass and radius of gyration 
E)  All of these 
A)  the distribution of mass about the axis of rotation 
B)  the angular velocity of the limb 
C)  the resistance offered by an object to rotate 
D)  mass and radius of gyration 
E)  All of these

Question 7

There are 67.3 degrees in one radian

Accepted Answer

A) True 
 B)False

Question 8

A point that is closer to the axis of rotation of a rigid body will move a shorter linear distance than a point that is further away from the axis of rotation

Accepted Answer

A) True 
 B)False

Question 9

If the moment of inertia of the upper leg, lower leg and foot are respectively 1.20 kg.m², 0.98 kg.m² and 0.54 kg.m², the moment of inertia of the whole leg is:

Accepted Answer

A)  27.2 kg.m² 
B)  2.72 kg.m² 
C)  272.0 kg.m² 
D)  0.272 kg.m² 
E)  none of these values 
A)  27.2 kg.m² 
B)  2.72 kg.m² 
C)  272.0 kg.m² 
D)  0.272 kg.m² 
E)  none of these values

Question 10

An arm moves clockwise through 48° in 1.79s - what is the average angular velocity?

Accepted Answer

A)  34°/s 
B)  100°/s 
C)  0.77 rads/s 
D)  0.47 rads/s 
E)  1.90 rads/s 
A)  34°/s 
B)  100°/s 
C)  0.77 rads/s 
D)  0.47 rads/s 
E)  1.90 rads/s

Question 11

The parallel axis theorem used to calculate the moment of inertia about axis A is derived by:

Accepted Answer

A)  IA = m² + md² 
B)  IA = IC of G 
C)  IA = IC of G + md² 
D)  IA = md² 
E)  None of these 
A)  IA = m² + md² 
B)  IA = IC of G 
C)  IA = IC of G + md² 
D)  IA = md² 
E)  None of these

Question 12

Torques are necessary to cause rotational movement

Accepted Answer

A) True 
 B)False

Question 13

Determine the torque acting on the elbow joint from a muscle force of 345N applied at a perpendicular distance of 0.05m from the elbow joint axis of rotation

Accepted Answer

Torque = force x per

Question 14

Flexion of the elbow joint is a good example of:

Accepted Answer

A)  A third class lever. 
B)  All three levers. 
C)  A first class lever. 
D)  No levers. 
E)  A first and second class lever. 
A)  A third class lever. 
B)  All three levers. 
C)  A first class lever. 
D)  No levers. 
E)  A first and second class lever.

Question 15

If an athlete entered a diving pool in a fully extended position they would have a higher moment of inertia than when they were tucked up in a ball doing a somersault

Accepted Answer

A) True 
 B)False

Question 16

If there is zero angular velocity then there is zero angular momentum

Accepted Answer

A) True 
 B)False

Question 17

A force of 25N acting at a perpendicular distance of 0.6m produces a moment of 41.6N/m

Accepted Answer

A) True 
 B)False

Question 18

A first class lever is when the force and resistance are:

Accepted Answer

A)  Located at separate sides of the fulcrum. 
B)  Located on the same side to the right of the fulcrum. 
C)  Located on the same side to the left of the fulcrum. 
D)  Not related to the fulcrum at all. 
E)  On the same side, be it at the right or left of the fulcrum. 
A)  Located at separate sides of the fulcrum. 
B)  Located on the same side to the right of the fulcrum. 
C)  Located on the same side to the left of the fulcrum. 
D)  Not related to the fulcrum at all. 
E)  On the same side, be it at the right or left of the fulcrum.

Question 19

Clockwise rotation is:

Accepted Answer

A)  movement in a straight line 
B)  movement in the vertical direction 
C)  movement opposite to the hands of a clock 
D)  movement in the horizontal direction 
E)  movement in the same direction as the hands of a clock 
A)  movement in a straight line 
B)  movement in the vertical direction 
C)  movement opposite to the hands of a clock 
D)  movement in the horizontal direction 
E)  movement in the same direction as the hands of a clock

Question 20

A couple is:

Accepted Answer

A)  a single force 
B)  three different forces 
C)  two equal and opposite forces 
D)  four opposing forces 
E)  no forces 
A)  a single force 
B)  three different forces 
C)  two equal and opposite forces 
D)  four opposing forces 
E)  no forces

Torque is equal to:

It is possible to have an angular orientation of a point

Angular motion is defined as:

Angular momentum is measured in the units of kg.m²/s

If an athlete is rotating in a tucked position during a dive and they then extend their body, their moment of inertia about the axis of rotation will?

Moment of inertia is related to:

There are 67.3 degrees in one radian

A point that is closer to the axis of rotation of a rigid body will move a shorter linear distance than a point that is further away from the axis of rotation

If the moment of inertia of the upper leg, lower leg and foot are respectively 1.20 kg.m², 0.98 kg.m² and 0.54 kg.m², the moment of inertia of the whole leg is:

An arm moves clockwise through 48° in 1.79s - what is the average angular velocity?

The parallel axis theorem used to calculate the moment of inertia about axis A is derived by:

Torques are necessary to cause rotational movement

Determine the torque acting on the elbow joint from a muscle force of 345N applied at a perpendicular distance of 0.05m from the elbow joint axis of rotation

Flexion of the elbow joint is a good example of:

If an athlete entered a diving pool in a fully extended position they would have a higher moment of inertia than when they were tucked up in a ball doing a somersault

If there is zero angular velocity then there is zero angular momentum

A force of 25N acting at a perpendicular distance of 0.6m produces a moment of 41.6N/m

A first class lever is when the force and resistance are:

Clockwise rotation is:

A couple is:

Kinematics of Linear Motion

Kinetics of Linear Motion

Muscle and Joint Kinematics and Kinetics

Special Topics

Human Movement Applications

Measurement and Analysis Techniques

Filters

Exam 3: Kinematics and Kinetics of Angular Motion

Torque is equal to:

It is possible to have an angular orientation of a point

Angular motion is defined as:

Angular momentum is measured in the units of kg.m²/s

If an athlete is rotating in a tucked position during a dive and they then extend their body, their moment of inertia about the axis of rotation will?

Moment of inertia is related to:

There are 67.3 degrees in one radian

A point that is closer to the axis of rotation of a rigid body will move a shorter linear distance than a point that is further away from the axis of rotation

If the moment of inertia of the upper leg, lower leg and foot are respectively 1.20 kg.m², 0.98 kg.m² and 0.54 kg.m², the moment of inertia of the whole leg is:

An arm moves clockwise through 48° in 1.79s - what is the average angular velocity?

The parallel axis theorem used to calculate the moment of inertia about axis A is derived by:

Torques are necessary to cause rotational movement

Determine the torque acting on the elbow joint from a muscle force of 345N applied at a perpendicular distance of 0.05m from the elbow joint axis of rotation

Flexion of the elbow joint is a good example of:

If an athlete entered a diving pool in a fully extended position they would have a higher moment of inertia than when they were tucked up in a ball doing a somersault

If there is zero angular velocity then there is zero angular momentum

A force of 25N acting at a perpendicular distance of 0.6m produces a moment of 41.6N/m

A first class lever is when the force and resistance are:

Clockwise rotation is:

A couple is:

Kinematics of Linear Motion

Kinetics of Linear Motion

Muscle and Joint Kinematics and Kinetics

Special Topics

Human Movement Applications

Measurement and Analysis Techniques

Filters