Sketch a graph showing how the velocity of the parachutist changes with time
Use a series of force diagrams to explain how a car accelerates to a terminal velocity.
Use a series of force diagrams to show how a ball dropped in a liquid would accelerate to a terminal velocity.
Summary
force straight greater
stationary resistance speed
If the resultant __________ on an object is zero then two things may happen. The object will either carry on moving at a constant __________ in a __________ line, or it will remain __________. When objects fall through gases or liquids, a force of __________ acts to slow it down. The faster they move the __________ the force.