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Duplicate of Forces and Newton's Laws Flashcards | StudBud
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Duplicate of Forces and Newton's Laws
Duplicate of Forces and Newton's Laws
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#physics, #forces, #Newton's Laws
Flashcards
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1
A force of 6.8 N accelerates a 31 kg scooter on a level parking lot. What is the acceleration
.22 m/s2
3.2 m/s2
.69 m/s2
4.6 m/s2
2
A newton is equivalent to which of the following?
kg*m/s
kg
kg(m/s)2
kg*m/s2
3
The magnitude of the gravitational force acting on an object is?
frictional force
weight
mass
inertia
4
A free-body diagram of a ball falling in the presence of air resistance would show
An up arrow for gravity and a down arrow for air resistance
An up arrow for air resistance and a down arrow for gravity
Only a down arrow showing gravity
Only a down arrow showing air resistance
5
Tray at 12° below horizontal. Gravitational force is 5 N. Find force parallel it pulling down
5 N
1 N
4.9 N
.42 N
6
A suitcase pulled with a force at 30°. Horizontal component is 60.6N. The force on handle is?
95.6 N
65.2 N
70 N
53 N
7
What are the units of the coefficient of friction?
N
N2
1/N
no units
8
Six books stacked. Each weighs 5N Coefficient friction 0.2. What horizontal force moves top 5?
7 N
3 N
1 N
5 N
9
Which of the following forces arises from direct physical contact between two objects
applied force
field force
fundamental force
gravitational force
10
A free-body diagram represents all of the following except
forces as vectors
forces exerted on the object
forces exerted by the object
the object
11
A measure of the quantity of matter is?
density
mass
force
weight
12
Which of the following is the tendency of an object to maintain its state of motion
force
inertia
velocity
acceleration
13
For every action there is an equal but opposite reaction is which Newtonian law?
fourth
first
third
second
14
Newton's 3rd law of motion involves the interactions of?
two objects and two forces
two objects and one force
one object and one force
one object and two forces
