While driving fast around a sharp right turn, you find yourselfpressing against the car door. What is
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Question:
While driving fast around a sharp right turn, you find yourselfpressing against the car door.
What is happening?
What is happening?
The door is exerting a rightward force on you. |
Centrifugal force is pushing you into the door. |
Both of the above. |
Neither of the above. |
Which of the following point towards the center of the circle inuniform circular motion?
Acceleration. |
Acceleration, net force. |
Velocity, acceleration, net force. |
Velocity, net force. |
Velocity, acceleration. |
The Moon does not crash into the Earth because:
it is freely falling but it has a high tangentialvelocity. |
the net force on it is zero. |
it is beyond the main pull of the Earth's gravity. |
it is being pulled by the Sun as well as by the Earth. |
In the International Space Station which orbits Earth,astronauts experience apparent weightlessness because
the station is kept in orbit by a centrifugal force thatcounteracts the Earth's gravity. |
the station's high speed nullifies the effects of gravity. |
there is no gravity in space. |
the astronauts and the station are in free fall towards thecenter of the Earth. |
the station is so far away from the center of the Earth. |
Related Book For
Business Law Text and Cases
ISBN: 978-0324655223
11th Edition
Authors: Kenneth W. Clarkson, Roger LeRoy Miller, Gaylord A. Jentz, F
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