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WorksheetsLessons 4 and 5 review
Total questions: 16
Worksheet time: 8mins
Like all forces, friction comes in pairs and acts in ____
the same
the opposite
distance
In science, we measure weight in____.
pounds
ounces
Newtons
Sliding across pavement is more painful than grass because____.
grass has more friction than pavement
pavement has more friction than grass
A penguin going down a hill.
static friction
rolling friction
sliding friction
A strong force makes an object stop____.
gradually
suddenly
A smooth surface has less friction.
True
False
Friction increases when an object's weight decreases.
True
False
What type of friction is acting on a book that is not moving?
static friction
rolling friction
sliding friction
Friction is a force that acts in the _______ direction as the object's motion.
same
opposite
If you throw a ball out the window of a tall building, the Earth is pulled toward the ball.
True
False
The sum of all forces acting on an object.
pull force
push force
net force
The difference between weight and mass is____.
Weight varies, and mass is constant.
Mass varies but weight is constant
Mass is a force but weight is not a force
If you were floating in space with an elephant named Dumbo. Who would be MORE ATTRACTED to whom, and why?
You because you have less mass.
Dumbo because he has more mass
You because he has more mass.
Friction can ___.
slow down motion
speed up motion
stop motion
increase motion
The wheels on a moving skateboard most likely experience ____________.
rolling friction
static friction
sliding friction
Friction is a force that acts in a(n) ___________ direction relative to a moving object.
same
parallel
perpendicular
