Question

6 The diagram shows a 3.0 m uniform beam AB, pivoted 1.0 m from the end A.
The weight of the beam is 200 N.
A
1.0m
2.0m
B
Copy the diagram and mark the beam's centre of mass.
b
Add arrows to show the following forces: the weight of the beam; the contact force
on the beam at the pivot.
c
A third force F presses down on the beam (at end point A). What value of F is needed
to balance the beam?
d When this force is applied, what is the value of the contact force that the pivot
res can exerts on the beam?

Answer 1

Ответ:

А)2ще В)

Объяснение:

3.0-1.0 і вийде 2.0