A
Forces that act only when one object touches another object are ____________________ forces.
contact
Forces that act between objects that are not touching are _____________________ forces.
noncontact
Two forces that are equal in strength and opposite in direction acting on an object are ______________________ forces.
balanced
Two patterns of motion that God made at creation are revolution and ______________________________.
rotation
When a force moves something, ____________________ is done.
work
The force that pulls a kicked ball to the ground.
contact or noncontact force
noncontact
The force that makes a rolling ball on the ground stop.
contact or noncontact force
contact force
The motion of a car driven five miles from home to school.
direction
distance
speed
Distance
The motion of a car making a left turn.
direction
distance
speed
direction
The motion of a car moving very fast.
direction
speed
distance
speed
(T/F)
Force, motion, and speed work together because God designed them to work together.
True
(T/F)
Position is the place where an object is.
True
(T/F)
Some motions cannot be predicted because there is a similar patter of motion.
False
(T/F)
An example of a living thing that does work is wind.
False
Opening and closing a carton of ice is an example of _________________ pattern of motion.
a back and forth
a zigzag
an up and down
an up and down
The sound from a police officer's walkie-talkie is an example of _____________________.
a back and forth pattern of motion
an unseen pattern of motion
a zigzag pattern of motion
an unseen pattern of motion
You can predict the pattern of motion for windshield wipers to be ____________________.
a back-and-forth motion
a round-and-round motion
a zigzag motion
a back-and-forth motion
You predict the pattern of motion for a toy train on a track to be _________________________.
an up-and-down motion
a round-and round motion
a zigzag motion
a round and round motion
An example of how I can use forces to do work better is __________________.
I can decide how fast I want to work
I can decide how many pages to read at night
I can use a path with less friction when pulling a wagon
I can use a path with less friction when pulling a wagon.