F=ma Exam Solutions

Please find my solutions to past F=ma Contest problems below. Here are them categorized by year:

2021 (new!)
2020B
2020A
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007

Reduced mass

Reduced mass

Reduced_mass

Suspended rope

Suspended rope

Suspended-rope

2021 F=ma Exam Analysis

Updated with 2021 exams:

Fma-Topics

2021: Problem 25

Solution: E

2021_F_ma_Exam__Problem_25

2021: Problem 24

Solution: B

2021_F_ma_Exam__Problem_24

2021: Problem 23

Solution: C

2021_F_ma_Exam__Problem_23

2021: Problem 22

Solution: A

2021_F_ma_Exam__Problem_22

2021: Problem 21

Solution: A

2021_F_ma_Exam__Problem_21

Related: Rolling down an incline

2021: Problem 20

Solution: B

2021_F_ma_Exam__Problem_20

2021: Problem 19

Solution: E

2021_F_ma_Exam__Problem_19