Forces and Motion Experiments

Front

What happens to a fan-powered sailboat when the speed of the fan increases?

Back

The boat will accelerate.

Front

What does it mean if the center of a tug-of-war rope is not moving?

Back

Both classes are pulling equally.

Front

In an experiment with a toy car on a ramp, what should be intentionally changed to investigate how surface affects speed?

Back

The material on which the toy car rolls.

Front

What is an example of movement caused by a non-contact force?

Back

Paperclips being pulled by a magnet.

Front

If the forces acting on a moving train are balanced, how will its motion be affected?

Back

It will continue, unchanged.

Front

What is a force?

Back

A push or pull that can change the motion of an object.

Front

What is motion?

Back

The change in position of an object over time.

Front

What is acceleration?

Back

The rate at which an object's velocity changes over time.

Front

What is a balanced force?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is an unbalanced force?

Back

Forces that are not equal, causing a change in motion.