Question 7 (1 point)
Unbalanced forces
a
maintain the constant motion of an object.
b
can change an object's speed but not direction.
c
cause the motion of an object to change.
d
make an object move opposite the applied force.
3 answers
c
Question 8 (1 point)
Every few years, sailboats of different countries compete in a race for a trophy called the America's Cup. The boats sail over the same distance. What, besides the distance, is needed to find out the speed of each boat in the race?
a
the time it takes each boat to finish the race
b
the size of each boat in the race
c
the skill of the crew of each boat in the race
d
the speed of the wind during the race
Every few years, sailboats of different countries compete in a race for a trophy called the America's Cup. The boats sail over the same distance. What, besides the distance, is needed to find out the speed of each boat in the race?
a
the time it takes each boat to finish the race
b
the size of each boat in the race
c
the skill of the crew of each boat in the race
d
the speed of the wind during the race
a
1 answer