In Figure (a), a uniform 30.9 kg beam is centered over two rollers. Vertical lines across the beam mark off equal lengths. Two of the lines are centered over the rollers; a 9.55 kg package of tamale is centered over roller B. What are the magnitudes of the forces on the beam from (a) roller A and (b) roller B? The beam is then rolled to the left until the right-hand end is centered over roller B (Figure (b)). What now are the magnitudes of the forces on the beam from (c) roller A and (d) roller B? Next, the beam is rolled
In Figure (a), a uniform 30.9 kg beam is centered over two rollers. Vertical lines across the beam mark off equal lengths. Two of the lines are centered over the rollers; a 9.55 kg package of tamale is centered over roller B. What are the magnitudes of the forces on the beam from (a) roller A and (b) roller B? The beam is then rolled to the left until the right-hand end is centered over roller B (Figure (b)). What now are the magnitudes of the forces on the beam from (c) roller A and (d) roller B? Next, the beam is rolled
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In Figure (a), a uniform 30.9 kg beam is centered
over two rollers. Vertical lines across the beam mark
off equal lengths. Two of the lines are centered over
the rollers; a 9.55 kg package of tamale is centered
over roller B. What are the magnitudes of the forces
on the beam from (a) roller A and (b) roller B? The
beam is then rolled to the left until the right-hand
end is centered over roller B (Figure (b)). What now
are the magnitudes of the forces on the beam from
(c) roller A and (d) roller B? Next, the beam is rolled
to the right. Assume that it has a length of 1.12 m. (e)
What horizontal distance between the package and
roller B puts the beam on the verge of losing contact
with roller A?
(a)
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