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Chapter 11
Test Description: Force and Newton's Laws
Instructions: Answer all questions to get your test result.
1) Two or more forces that are equal in size , but opposite in direction are _________________________________ .
A
net forces
B
inertial forces
C
balanced forces
D
frictional forces
2) If the forces are __________________, their effects don't cancel each other out and results in motion.
A
unbalanced
B
frictional
C
inertial
D
balanced
3) An object at rest remains at rest or moving at constant speed in a straight path unless an unbalanced force acts on it refers to which law?
A
Newton's second law of motion
B
Newton's third law of motion
C
the law of the conservation of momentum
D
Newton's first law of motion
4) The type of friction that prevents an object from moving when a force is applied is?
A
sliding friction
B
rolling friction
C
static friction
D
balanced friction
5) Connects force, acceleration, and mass and states that an object acted upon by a force will accelerate in the direction of the force refers to which law?
A
Newton's third law of motion
B
Newton' first law of motion
C
law of the conservation of matter
D
Newton's second law of motion
6) Which equation represents the acceleration equation according to Newton's second law of motion?
A
F=m/a
B
Fnet=ma
C
F=mv
D
F-ma
7) Force is measured in ____________________.
A
grams
B
pascals
C
Newtons
D
kilograms
8) the larger the force, the larger the mass, and the ____________________ the acceleration
A
more unchanging
B
greater
C
less
D
more constant
9) Satellites that go around earth in nearly circular orbits, and are held in place by ________________________.
A
net forces
B
balanced forces
C
centripetal force (gravity)
D
frictional forces
10) Air resistance is a force that gets ________________ as an object moves faster.
A
larger
B
smaller
C
remains the face
D
eventually disappears
*select an answer for all questions
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