Unit 5 – Torque and Rotational Dynamics

/ Unit 5 – Torque and Rotational Dynamics

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You’ll use the tools, techniques, and models you’ve learned in previous units to analyze bodies that rotate, and what causes those rotations.

Question Difficulty:

Question	Difficulty	Students Solved
Lever Arm Of A Force	easy	17
Angular Velocity of Meshed Gears	medium	9
Factors Determining Torque Magnitude	easy	17
Arc Length in Rotational Motion	medium	15
Determinants of Rotational Inertia	easy	12
Rotational Inertia of Uniform Rods	medium	10
Sign Convention for Angular Displacement	easy	14
Direction of Rotational Motion	easy	12
Torque and Rotational Equilibrium	medium	9
Angular Properties of a Rigid Body	easy	16
Net Torque from Opposing Forces	medium	13
Net Torque and Angular Velocity	easy	6
Torque and Applied Force Angle	medium	4
Force and Torque on a Rotating Disk	medium	8
Angular Displacement With Constant Acceleration	easy	5
Torque and Rotational Kinematics	easy	7
Average Angular Velocity Calculation	medium	4
Static Equilibrium of a Ladder	easy	8
Rotational Inertia and Axis Distance	easy	6
Ratio of Tangential Speeds	easy	6

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1 – 20 of 553

Rank	User	Correct Count	Attempt Count	Time	Score
#1	dxie26808	195	263	0m 00s	18,820
#2	jwilliams052	19	25	0m 13s	1,827
#3	mpzelda762	17	21	0m 04s	1,656
#4	jchenlisg	14	17	0m 00s	1,370
#5	siyeonkim4837	14	21	0m 00s	1,330
#6	nmtnice2010	13	15	0m 00s	1,280
#7	dhithyaram	12	15	0m 00s	1,170
#8	shakthi.durai11	12	16	0m 00s	1,160
#9	miller.chen2011	12	16	0m 00s	1,160
#10	dazzled0253	10	10	0m 00s	1,000

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