Question 1

Angular distance is the arc length of the curve created by angular motion of a rigid body

Accepted Answer

A) True 
 B)False

Question 2

One radian is approximately:

Accepted Answer

A)  100 degrees 
B)  57.3 degrees 
C)  35.4 degrees 
D)  3.14 degrees 
E)  0 degrees 
A)  100 degrees 
B)  57.3 degrees 
C)  35.4 degrees 
D)  3.14 degrees 
E)  0 degrees

Question 3

Explain how it is possible to have a vector quantity in angular motion.

Accepted Answer

Rotational motion such as 126

Question 4

Explain the first condition of equilibrium in linear motion

Accepted Answer

The first condition of equilibrium that

Question 5

How many radians are there in one circle?

Accepted Answer

A)  2π 
B)  3.14π 
C)  57.3π 
D)  360π 
E)  π 
A)  2π 
B)  3.14π 
C)  57.3π 
D)  360π 
E)  π

Question 6

Three points are located on a rigid body that moves through 87° in 2.45s. Point A is 0.76m; point B is 0.86m and point C is 0.96m from the axis of rotation respectively. Determine the linear distance moved by each point?

Accepted Answer

Use s=rθ where θ is expressed

Question 7

A hammer thrower spins with an angular velocity of 1800°/s. The distance from his axis of rotation to the hammer head is 1.5 m. What was the centripetal acceleration of the hammer head?

Accepted Answer

A)  47.1 m/s2 
B)  31.4 m/s2 
C)  1080 m/s2 
D)  1480 m/s2 
E)  2700 m/s2 
A)  47.1 m/s2 
B)  31.4 m/s2 
C)  1080 m/s2 
D)  1480 m/s2 
E)  2700 m/s2

Question 8

When a discus thrower begins his throwing motion, he spins with an angular velocity of 7 rad/s. Just before he releases the discus this increases to 21 rad/s. If the time from the beginning of the throw to just before release is 0.75 s, what was the thrower's average angular acceleration?

Accepted Answer

A)  10.5 rad/s2 
B)  28 rad/s2 
C)  14 rad/s2 
D)  18.7 rad/s2 
E)  37.3 rad/s2 
A)  10.5 rad/s2 
B)  28 rad/s2 
C)  14 rad/s2 
D)  18.7 rad/s2 
E)  37.3 rad/s2

Question 9

If the angular velocity of a limb at point 1 (time = 0.30 seconds) is 113 deg/s and then it increases to 156 deg/s at point 2 (0.76 seconds) what is the average angular acceleration between the two points?

Accepted Answer

156-113/0.

Question 10

The torque acting on a body will only cause linear movement

Accepted Answer

A) True 
 B)False

Question 11

Angular displacement has magnitude and direction

Accepted Answer

A) True 
 B)False

Question 12

A third class lever is:

Accepted Answer

A)  Similar to a first class lever. 
B)  Different to both a first and a second class lever. 
C)  Similar to a second class lever with both the force and resistance on the same side of the fulcrum. 
D)  Similar to a first class lever but with the force and resistance at equal distances from the fulcrum. 
E)  Where the force is not on the lever arm at all. 
A)  Similar to a first class lever. 
B)  Different to both a first and a second class lever. 
C)  Similar to a second class lever with both the force and resistance on the same side of the fulcrum. 
D)  Similar to a first class lever but with the force and resistance at equal distances from the fulcrum. 
E)  Where the force is not on the lever arm at all.

Question 13

Explain mechanical advantage

Accepted Answer

Mechanical advantage is defined as the r

Question 14

Determine the angular velocity of points A, B and C.

Accepted Answer

The angular velocity of all three points

Question 15

Newton's third law of angular motion states:

Accepted Answer

A)  that force is equal to rotation 
B)  that torques makes objects move in a straight line 
C)  that torques do not cause movement 
D)  that there are equal and opposite torques acting on objects 
E)  All of these 
A)  that force is equal to rotation 
B)  that torques makes objects move in a straight line 
C)  that torques do not cause movement 
D)  that there are equal and opposite torques acting on objects 
E)  All of these

Question 16

Explain the first and second conditions of equilibrium in angular motion

Accepted Answer

An object that is in a state of equilibr

Question 17

Moment of inertia is calculated by:

Accepted Answer

A)  mass × radius2 
B)  mass + radius2 
C)  mass ÷ radius 
D)  mass2 × radius 
E)  mass + torque 
A)  mass × radius2 
B)  mass + radius2 
C)  mass ÷ radius 
D)  mass2 × radius 
E)  mass + torque

Question 18

If your angular momentum is 678 kg.m²/s and your angular velocity is 13 rads/s what is your moment of inertia?

Accepted Answer

L=Iω, so 678 = I x 1

Question 19

Moment of inertia is the:

Accepted Answer

A)  angular rotation of an object 
B)  angular torque of an object 
C)  the speed that the object rotates 
D)  the rotation of all the object's parts 
E)  reluctance of an object to start or stop rotating 
A)  angular rotation of an object 
B)  angular torque of an object 
C)  the speed that the object rotates 
D)  the rotation of all the object's parts 
E)  reluctance of an object to start or stop rotating

Question 20

The see-saw is a good example of moments

Accepted Answer

A) True 
 B)False

Angular distance is the arc length of the curve created by angular motion of a rigid body

One radian is approximately:

Explain how it is possible to have a vector quantity in angular motion.

Explain the first condition of equilibrium in linear motion

How many radians are there in one circle?

Three points are located on a rigid body that moves through 87° in 2.45s. Point A is 0.76m; point B is 0.86m and point C is 0.96m from the axis of rotation respectively. Determine the linear distance moved by each point?

A hammer thrower spins with an angular velocity of 1800°/s. The distance from his axis of rotation to the hammer head is 1.5 m. What was the centripetal acceleration of the hammer head?

When a discus thrower begins his throwing motion, he spins with an angular velocity of 7 rad/s. Just before he releases the discus this increases to 21 rad/s. If the time from the beginning of the throw to just before release is 0.75 s, what was the thrower's average angular acceleration?

If the angular velocity of a limb at point 1 (time = 0.30 seconds) is 113 deg/s and then it increases to 156 deg/s at point 2 (0.76 seconds) what is the average angular acceleration between the two points?

The torque acting on a body will only cause linear movement

Angular displacement has magnitude and direction

A third class lever is:

Explain mechanical advantage

Determine the angular velocity of points A, B and C.

Newton's third law of angular motion states:

Explain the first and second conditions of equilibrium in angular motion

Moment of inertia is calculated by:

If your angular momentum is 678 kg.m²/s and your angular velocity is 13 rads/s what is your moment of inertia?

Moment of inertia is the:

The see-saw is a good example of moments

Kinematics of Linear Motion

Kinetics of Linear Motion

Muscle and Joint Kinematics and Kinetics

Special Topics

Human Movement Applications

Measurement and Analysis Techniques

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Exam 3: Kinematics and Kinetics of Angular Motion

Angular distance is the arc length of the curve created by angular motion of a rigid body

One radian is approximately:

Explain how it is possible to have a vector quantity in angular motion.

Explain the first condition of equilibrium in linear motion

How many radians are there in one circle?

Three points are located on a rigid body that moves through 87° in 2.45s. Point A is 0.76m; point B is 0.86m and point C is 0.96m from the axis of rotation respectively. Determine the linear distance moved by each point?

A hammer thrower spins with an angular velocity of 1800°/s. The distance from his axis of rotation to the hammer head is 1.5 m. What was the centripetal acceleration of the hammer head?

When a discus thrower begins his throwing motion, he spins with an angular velocity of 7 rad/s. Just before he releases the discus this increases to 21 rad/s. If the time from the beginning of the throw to just before release is 0.75 s, what was the thrower's average angular acceleration?

If the angular velocity of a limb at point 1 (time = 0.30 seconds) is 113 deg/s and then it increases to 156 deg/s at point 2 (0.76 seconds) what is the average angular acceleration between the two points?

The torque acting on a body will only cause linear movement

Angular displacement has magnitude and direction

A third class lever is:

Explain mechanical advantage

Determine the angular velocity of points A, B and C.

Newton's third law of angular motion states:

Explain the first and second conditions of equilibrium in angular motion

Moment of inertia is calculated by:

If your angular momentum is 678 kg.m²/s and your angular velocity is 13 rads/s what is your moment of inertia?

Moment of inertia is the:

The see-saw is a good example of moments

Kinematics of Linear Motion

Kinetics of Linear Motion

Muscle and Joint Kinematics and Kinetics

Special Topics

Human Movement Applications

Measurement and Analysis Techniques

Filters