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WorksheetsCCP Physics 1 Review
Total questions: 59
Worksheet time: 2hrs 42mins
Centripetal force, created by swinging something in a circle, acts in a direction--
along the path of motion
away from the center of the circle
toward the center of the circle
tangent to the circle
A 10kg car travels at a constant speed of 20.0 m/s around a horizontal circular track. Which diagram correctly represent the direction of the car's velocity (v) and the direction of the centripetal force (Fc) acting on the car at a particular moment?
A curved groove is place on the top of a level table as shown in the diagram. A ball is pushed in the groove at P so that it leaves at Q. Which picture shows how the ball will move when it leaves the groove at Q?
How does the force of gravity between two objects change when the distance between them is 5 times larger?
5 times more
5 times less
25 times more
25 times less
How does the gravitational force the Earth exerts on the sun compare to the gravitational force the sun exerts on the Earth?
The gravitational force the sun exerts on the Earth is larger
The gravitational force the Earth exerts on the sun is larger
Their gravitational forces are equal
There is not enough information
At what distance from the sun is the gravitational force due to the sun on an object zero?
Once you get farther away than Pluto.
It is not possible, the sun's gravity will always affect you
50 light-years
We do not know, since no man-made object has traveled that far
What is the gravitational force between a 500 kg mass and a 2000 kg mass that are separated by a distance of 5 m?
3.335 x 10-8
2.668 x 10-6
1.334 x 10-5
6.67 x 10-9
A yo-yo is whirled on a string, then the string breaks. What causes the yo-yo to move off in a straight line?
centrifugal force
centripetal force
inertia
centripetal acceleration
As an astronaut travels far away from Earth, his weight
increases because gravity increases.
decreases because her mass decreases.
remains the same because her mass remains the same.
decreases because gravity decreases.
A Ferris wheel has radius 5.0 m and makes one revolution every 8.0 s with uniform rotation. A person who normally weighs 670 N is sitting on one of the benches attached at the rim of the wheel. What is the apparent weight (the normal force exerted on her by the bench) of the person as she passes through the highest point of her motion?
670 N
460 N
335 N
580 N
A car moving at a steady 10 m/s on a level highway encounters a depression that has a circular cross-section with a radius of 30 m. The car maintains its speed as it drives through the depression. What is the normal force exerted by the seat of the car on a 60.0-kg passenger when the car is at the bottom of the depression?
390 N
200 N
590 N
490 N
790 N
In what type(s) of collisions is kinetic energy conserved?
Elastic collisions
Inelastic collisions
All collisions
In what type(s) of collisions is momentum conserved conserved?
Elastic Collisions
Inelastic Collisions
Both Elastic and Inelastic Collisions
No collisions
What does a crumple zone do?
Increases time in collision, thereby decreasing the force of the collision
Increases force in collision, thereby decreasing the time of the collision
decreases force in collision, thereby increasing the time of the collision
Decreases force in collision, thereby increasing the time of the collision
.
.
A small vibrating object on the surface of a ripple tank is the source of waves of frequency 20 Hz and speed 60 cm/s. If the source S us moving to the right, as shown, with speed 20 cm.s, at which of the labeled points will the frequency measured by a stationary observer be the greatest?
A
B
C
D
The figure shows a transverse wave traveling to the right at a particular instant of time. The period of the wave is 0.2 s. What is the amplitude of the wave?
4 cm
5 cm
8 cm
10 cm
The figure shows a transverse wave traveling to the right at a particular instant of time. The period of the wave is 0.2 s. What is the speed of the wave?
4 cm
25 cm
50 cm
100 cm
Two wave pulses are propagating along a straight line toward each other as shown above.
Which of the following is the resultant when the centers of the pulses align?
I. Reflection
II. Interference
III. Diffraction
A string with nodes at both ends is oscillating at the fundamental frequency. if the frequency of the string doubles, the wavelength will
double
get cut in half
remain the same
quadruple
The pictured tube is 1.2 meters long. What is the wavelength of the wave inside?
0.6 m
1.2 m
1.6 m
