168k views
0 votes
A plank is supported on flight of staircases.How

many forces are acting on the plank?
A 4
B 5
C 6
D 7

User Ulrich
by
7.7k points

2 Answers

3 votes
The correct answer is 6, because I just finished the exam
User GreQ
by
8.5k points
1 vote
uhhhh i think 4 BUT it could be wrong
User Nikoletta
by
8.4k points