Ask questions to identify and explain the uses of simple machines (lever, pulley, wedge, inclined plane, wheel and axle, and screw) and how forces are changed when simple machines are used to complete tasks. (Clarification statement: The use of mathematical formulas is not expected.)
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Q 1/10
Score 0
What is the definition of friction?
30
A force that slows or stops motion between two surfaces that touch each other.
a force that pulls objects toward each other.
A force that turns an object
A force that speeds up an object.
Q 2/10
Score 0
What are forces?
30
a change in an object's position
an object location or place
something that controls things
Forces are pushes or pulls that cause objects to change their motion.
10 questions
Q.
What is the definition of friction?
1
30 sec
S4P3c
Q.
What are forces?
2
30 sec
S4P3c
Q.
What is Gravity?
3
30 sec
Q.
What is an unbalanced force?
4
30 sec
S4P3c
Q.
What is Motion?
5
30 sec
S4P3c
Q.
What is a balanced force?
6
30 sec
S4P3c
Q.
What is the definition of position?
7
30 sec
S4P3c
Q.
________ is how far an object moves in a certain amount of time.
8
30 sec
S4P3c
Q.
True or False: The brakes on a bicycle are a type of friction?
