A horizontal, 10-m plank weighs 100 N.It rests on two supports that are placed 1.0 m from each end as shown in the figure.How close to one end can an 800-N person stand without causing the plank to tip?
A)0 m
B)0.3 m
C)0.5 m
D)0.7 m
E)0.9 m

Question

A horizontal, 10-m plank weighs 100 N.It rests on two supports that are placed 1.0 m from each end as shown in the figure.How close to one end can an 800-N person stand without causing the plank to tip? 
A)0 m 
B)0.3 m 
C)0.5 m 
D)0.7 m 
E)0.9 m

Quizplus · Accepted Answer

The Answer of A horizontal, 10-m plank weighs 100 N.It rests on two supports that are placed 1.0 m from each end as shown in the figure.How close to one end can an 800-N person stand without causing the plank to tip? 
A)0 m 
B)0.3 m 
C)0.5 m 
D)0.7 m 
E)0.9 m

A Horizontal, 10-M Plank Weighs 100 N