PS3 - "How Will It Move" - Lessons 5-8
Authored by Douglas Dukeman
Science
7th Grade
NGSS covered
Used 142+ times
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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What force exists in "motionless situations", for example, that keeps a book sitting still on a table and not sliding off by itself.
static friction
dynamic friction
weight
electrical force
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of friction means "unmoving" or "unchanging"?
static friction
dynamic friction
gravitational friction
elastic friction
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement is TRUE:
static friction is always greater than dynamic friction
dynamic friction is always greater than static friction
velocity and speed are the same thing
a free-body diagram contains all objects in a situation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This force occurs when one object rubs against another.
dynamic friction
static friction
gravitational force
electrical force
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
This type of friction means "changing".
dynamic friction
static friction
gravitational friction
elastic friction
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Complete this phrase: "It is always easier to keep something moving than to..."
"...start it moving."
"...stop it from moving."
"...make it move faster."
"...make it move slower."
Tags
NGSS.HS-PS2-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
On a force diagram, friction is usually drawn where...
two surfaces make contact
water touches air
a surface is affected by gravity
no forces exist
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