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WorksheetsAP Physics Unit 1 Review
Total questions: 25
Worksheet time: 25mins
Centripetal acceleration is the acceleration…
Away from the center of the circle
When an object is going straight
Toward the center of a circle
That doesn’t exist
How does the speed in Case A compare to the speed in Case B?
two times
one fourth times
four times
one half times
A car goes around a curve of radius r at a constant speed v. The coefficient of static friction between the tires and the surface is µ. What is the maximum value of the car’s velocity in order to prevent car from skidding of the road?
(µrg)2
µ r/g
√urg
g/ µr
How does Newton's Second Law of Motion explain the acceleration of a car when the driver steps on the gas pedal?
The car's mass decreases, causing acceleration.
The force applied by the engine increases, causing acceleration.
The car's velocity decreases, causing acceleration.
The car's mass increases, causing acceleration.
What is the formula for calculating force?
F=ma
F=mv
F=am
F=m+a
What is physics?
A type of mathematics
A field of science in which we study the physical world
A study of plants and animals
A branch of chemistry
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
2.4 m/s
3.6 m/s
3.9 m/s
4.2 m/s
You are moving a ball in a circle using 72 N of centripetal force. What would the force be if you doubled the velocity about the circle?
244 N
288 N
36 N
72 N
Which of the following depict the speed of the bowling ball?
A
B
C
D
What force keeps planets in orbit around the Sun?
Friction
Gravity
Momentum
Velocity
A particle P is moving in a circle with uniform speed. Which one of the following diagrams correctly shows the direction of the acceleration a and velocity v of the particle at one instant of time?
A
B
C
D
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
0.25 ms-2
0.5 ms-2
1 ms-2
2 ms-2
What happens to an object's speed as the radius decreases?
It increases.
It decreases.
It remains unchanged.
Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s
4.1 kg
3.6 kg
2.5 kg
1.8 kg
What is the relationship between centripetal force and the mass of an object?
direct
inverse
exponential
inverse squared
Which of the following is the unit for centripetal force?
J
m/s2
kg⋅m/s
N
Which of the following ranks the tensions in the strings from highest to lowest?
A>C>D>B
B>D>C>A
B>C>A>D
D>A>C>B
The time taken for one complete cycle is called the...
Period
Frequency
Angular velocity
A stone is tied to a string and whirled in a vertical circle at a radius. Which of the following cannot be true?
The string is most likely to break at the bottom of the circle.
The tension force is the same everywhere in the circle
The tension is the least when the stone is at the top of the circle.
A ball with a mass m is fastened to a string and is swung in a vertical circle. When the ball is at the highest point of the circle the tension in the string is:
mg
mg + ma
ma -mg
mg/ma
What is the formula for calculating the gravitational force between two masses?
F=Gr2m1m2
F=ma
F=rmv2
F=21mv2
A car is moving in a circular path with a constant speed. What type of acceleration does it experience?
Tangential acceleration
Centripetal acceleration
No acceleration
Linear acceleration
Which of the following quantities is conserved in an isolated system?
Momentum
Velocity
Acceleration
Force
If a pendulum swings with a period of 2 seconds, what is its frequency?
0.5 Hz
1 Hz
2 Hz
4 Hz
A ball is thrown vertically upwards with an initial velocity of 10 m/s. What is the maximum height it reaches? (Assume g = 9.8 m/s²)
5.1 m
10.2 m
15.3 m
20.4 m
