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WorksheetsGravity and Friction
Total questions: 18
Worksheet time: 9mins
Name
Class
Date
1.
You can reduce friction by
a)
reducing surface area
b)
removing lubricant
c)
increasing mass
2.
Which type of friction exists between a surface and moving air?
a)
static friction
b)
sliding friciton
c)
fluid friciton
3.
Which factor is NOT involved in determining gravitational force?
a)
distance
b)
speed
c)
mass
4.
A __________ is NOT a force.
a)
fall
b)
push
c)
pull
5.
Gravity and magnetism are examples of contact forces.
a)
True
b)
False
6.
Weight is the measure of gravitational force on an object.
a)
True
b)
False
7.
Mass and weight are not related to each other.
a)
True
b)
False
8.
Forces have strength and direction.
a)
True
b)
False
9.
A push or a pull on an object
a)
friction
b)
force
c)
gravity
d)
kilogram
10.
Push of pull on one object by another object.
a)
magnetic force
b)
noncontact force
c)
electric force
d)
contact force
11.
A type of force applied without touching
a)
noncontact force
b)
contact force
12.
A type of force that makes hair stand on end.
a)
magnetic force
b)
electric force
c)
gravity
d)
friction
13.
Keeps you from floating away.
a)
friction
b)
lubricant
c)
force
d)
gravity
14.
This makes a compass needle point north.
a)
magnetic force
b)
electric force
c)
gravitational force
d)
force
15.
Unit of mass.
a)
kilogram
b)
kilometer
c)
millimeter
d)
kilowatt
16.
The SI unit for force or weight is newton (N).
a)
True
b)
False
17.
Friction resists the motion of two surfaces that are touching.
a)
True
b)
False
18.
A lubricant ______________
a)
increases friction
b)
reduces friction
c)
has no affect on friction
d)
has no relation to friction
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