Motion andSimple MachinesMotion andSimple Machines
True or False
This girl is in motion.
true
What type of simplemachine is shown inthe picture?
pulley
What simple machine isbeing used in the picture?
Inclined planeor
ramp
false
True or False
A pulley is a bar thatmoves around afixed point.
How does the bicycle brake stopthe motion of the bike?
Friction betweenthe brake and thewheel stops themotion.
How does the lever make iteasier to open the can?
You push downon one end ofthe lever andthe other endlifts up the lid.
Which skater is faster? Why do youthink so?
Skater B isfaster becausethat skater hasgone farther inthe sameamount of time.
Describe the position of theclock in the picture below.
The clock isunder thepicture ontop of thefireplace.
True or False
Friction is a machine.
False
Which ball requires more forceto get to the hole?
Ball B requiresmore forcebecause it isfurther awayfrom the hole.
A _______ is a wheel with agroove through which a ropeor chain moves.
pulley
A ________ is a bar thatmoves around a fixed point.It can change the directionof a motion.
lever
An object that is in________ changes itsposition, or moves from oneplace to another.
motion
A/An________ is a slantedtool used to move thingsfrom one level to another.
Inclined planeor
ramp
A _________ is a tool thatcan make it easier to moveobjects.
simplemachine
GREATJOB!GREATJOB!
