Magnus effect - 2024 ACF Fall

Question

In YouTube videos by How Ridiculous, this effect makes balls travel further than if thrown by the human arm. For 10 points each:

[10h] Name this effect that causes an upward force on a spinning object. This effect is what causes a cricket ball to swing in the air.

ANSWER: Magnus effect

[10e] The Magnus effect occurs because this force acts on a spinning object. Airfoils produce this force, which opposes gravity and keeps airplanes up.

ANSWER: lift [or aerodynamic force]

[10m] This equation is used to calculate the lift on an airplane’s wings. This equation relates changes in pressure to height and fluid velocity.

ANSWER: Bernoulli’s equation [or Bernoulli’s principle]

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Summary


2024 ACF Fall at Claremont Colleges	fall	Y	5	24.00	100%	100%	40%
2024 ACF Fall at Cornell	fall	Y	9	16.67	100%	56%	11%
2024 ACF Fall at Illinois	fall	Y	9	26.67	100%	100%	67%
2024 ACF Fall at Rutgers	fall	Y	8	23.75	88%	75%	75%
2024 ACF Fall at Ohio State	fall	Y	8	20.00	88%	63%	50%
2024 ACF Fall at Washington	fall	Y	6	20.00	100%	67%	33%
2024 ACF Fall at Georgia	fall	Y	9	20.00	89%	78%	33%
2024 ACF Fall at Georgia	fall	Y	1	10.00	0%	100%	0%
2024 ACF Fall at North Carolina	fall	Y	9	10.00	56%	44%	0%

Data


UCLA E	Claremont B	10	10	10	30
UCLA A	Claremont C	10	10	10	30
Claremont A	UCLA D	0	10	10	20
UCLA C	UCSD	0	10	10	20
USC	UCLA B	0	10	10	20
Cornell E	Binghamton A	0	10	0	10
Binghamton B	Binghamton C	0	10	10	20
Cornell B	Cornell A	10	10	10	30
Cornell C	Cornell D	0	10	10	20
ESF	Cornell F	0	10	0	10
U of Rochester A	Penn State	0	10	0	10
Cornell G	RIT A	0	10	10	20
RIT B	Syracuse	0	10	10	20
U of Rochester B	RIT C	0	10	0	10
Chicago A	Illinois C	10	10	10	30
Purdue C	Illinois D	0	10	10	20
Iowa A	WashU A	0	10	10	20
Illinois A	Notre Dame A	10	10	10	30
Northwestern B	Notre Dame B	10	10	10	30
Notre Dame C	Iowa B	0	10	10	20
Purdue A	SIUE	10	10	10	30
Northwestern A	Purdue B	10	10	10	30
Illinois B	WashU B	10	10	10	30
Columbia B	Columbia J	0	10	10	20
Rutgers A	Fordham A	10	10	10	30
Maryland A	Penn B	10	10	10	30
NYU A	Penn A	10	10	0	20
Maryland B	NYU B	10	10	10	30
Princeton A	Lehigh A	10	10	10	30
Lehigh B	Rowan A	10	10	10	30
Bard A	Rutgers B	0	0	0	0
Jefferson County Scholars	Miami B	0	0	10	10
Michigan A	CWRU C	0	10	0	10
Michigan B	Michigan D	10	10	0	20
Alberta	UW Envy	0	10	10	20
UW Chastity	Arizona State A	10	10	10	30
UW Wrath	Arizona State B	10	10	0	20
UW Gluttony	UBC A	0	10	10	20
UW Greed	UBC B	0	10	0	10
UW Pride	UW Lust	0	10	10	20
Michigan C	West Virginia A	10	10	10	30
Michigan State A	Miami C	0	10	10	20
West Virginia B	Ohio State A	10	10	0	20
Ohio State B	CWRU A	0	10	10	20
Miami A	Ohio State C	10	10	10	30
Georgia Tech C	Emory Oxford	0	0	10	10
Georgia Tech E	Auburn C	0	10	10	20
Clemson A	Furman	0	10	0	10
Auburn A	Emory A	0	10	10	20
Georgia Tech B	Georgia A	10	10	10	30
Mississippi State A	Georgia Tech A	0	10	0	10
Georgia Tech D	Southern	10	10	10	30
Tennessee A	South Carolina B	10	10	10	30
South Carolina A	Tennessee B	0	10	10	20
Alabama A	Vanderbilt B	0	0	10	10
Appalachian State A	Liberty B	0	10	0	10
Appalachian State B	Liberty C	0	0	0	0
James Madison A	UNC A	0	0	0	0
NC State	James Madison B	0	0	0	0
VCU	Liberty A	0	10	10	20
Duke A	Tusculum	0	0	10	10
UNC B	Virginia	0	10	10	20
UNC C	UNC D	0	10	0	10
Virginia Tech A	William & Mary	0	10	10	20