Which of the following will have the least effect on the motion of a ball?
The mass of the ball
the direction of the force
the strength of the force
the weather conditions
The picture shows (select the two answers that are correct)
balanced forces
unbalanced forces
tension force
zero net force
air force
To understand the motion of an object, scientists must look at
whether it is at rest
all the forces acting on it
whether gravity is involved
the zero forces
What is one reason a pendulum moves in a pattern?
It is a force
It is in orbit
It has a bob
It swings from a point of reference
