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AP Physics Newton's Laws of Motion Flashcards | StudBud
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AP Physics Newton's Laws of Motion
AP Physics Newton's Laws of Motion
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A#AP Physics#Exam Review
Flashcards
14 cards
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Questions
14
Answers
1
What is the pressure reading when the force applied is 700 N and the area is 10,000 cm²
7 Pa
700 Pa
7000000 Pa
0.07 Pa
2
A truck loaded with sand accelerates (force remains constant). As sand leaks, acceleration
increases then decreases
increases at a steady rate
remains the same
decreases at a steady rate
3
When a car (your system) moves forward, what is the thing pushing it forward?
The gas
The Earth's gravitational pull
The motor
The road
4
A block slides down a frictionless incline, which of the following statements is true?
Its speed increases and its acceleration decreases
Its speed and acceleration remain constant
Both its speed and acceleration increase
Its speed increases and its acceleration remains constant
5
Who experiences the greatest force?
the fist
Both the face and the fist
ouch
the face
6
A person falling and slowing down with a parachute experiences an acceleration
in the same direction as the velocity
of 9.81 m/s2
opposite in direction to the velocity
of zero m/s2
7
Let m
1
= 2 kg and m
2
= 1 kg. Assume no friction. What is the acceleration of m
1
?
0 m/s²
4.095 m/s²
9.81 m/s²
3.27 m/s²
8
A block of mass m slides down a ramp. Find its acceleration. Assume g = 9.81 m/s² and θ = 72°.
9.33 m/s²
9.81 m/s²
3.03 m/s²
10.45 m/s²
9
As the bob moves from the highest location to the lowest, the component of F
g
responsible for
acceleration increases
acceleration stays constant
mass increases
acceleration decreases
10
An asteroid moves through space at 25,000 mph. It is said to be
in static equilibrium
experiencing a change in velocity
accelerating
in dynamic equilibrium
11
There is a mistake in this free-body diagram. What is it? Disregard frictional forces.
m1g should be bigger than the normal force
The weight of the hanging mass should be smaller thantension
The weight of the hanging mass should be larger than tension
There is nothing wrong with this free-body diagram
12
The forces experienced by the rocket are
force of gravity, air drag, and thrust
force of gravity, normal force, and air drag
force of gravity, acceleration, air drag
force of gravity and air drag
13
Assume the car does not slip. What is the minimum value of F
sf
for the car to go up?
It is higher than mgsinθ
It is equal to mgcosθ
It is equal to mg
It is equal to mgsinθ
14
Which diagram represents a person moving downwards and speeding up?
B
Both A and B
C
A
