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Forces Review 2
Test Description: Middle school
Instructions: Answer all questions to get your test result.
1) The unit for distance is the ____
A
kilogram
B
m/sec2
C
meter
D
newton
2) Gravity on the moon is ____ gravity on Earth
A
equal to
B
the same as
C
less than
D
greater than
3) Who discovered gravity?
A
Albert Einstein
B
Edwin Hubble
C
Thomas Jefferson
D
Isaac Newton
4) ____ is the measure of the force of gravity on an object
A
equation
B
density
C
weight
D
mass
5) The force that pulls objects downhill is _____
A
friction
B
slope
C
gravity
D
wind
6) What is the mass of an object if a force of 136 N produces an acceleration of 4 m/sec2?
A
34 kg
B
544 kg
C
544 N
D
34 N
7) The unit for mass is the _____
A
m/sec2
B
meter
C
newton
D
kilogram
8) ______ is the measure of how much matter an object has
A
speed
B
gravity
C
weight
D
mass
9) _____ is the measure of the pull of gravity on objects
A
weight
B
mass
C
volume
D
gravity
10) _____ is a force caused by objects rubbing together that slows moving objects down
A
friction
B
gravity
C
momentum
D
inertia
11) An example of rolling friction is ______
A
the little mermaid swimming through the ocean
B
dragging your sister across the floor on a blanket
C
wheels on your skateboard
D
using oil as a lubricant
12) A 4300 N force causes a 20 kg object to accelerate. What is its acceleration?
A
215 m/sec2
B
86,000 m/sec2
C
215 m/sec
D
86,000 m/sec
13) What kind of friction makes it difficult to move an object?
A
sliding friction
B
rolling friction
C
static friction
D
kinetic friction
*select an answer for all questions
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