A helicopter lifts a72 kg astronaut 15 m vertically from the ocean by means of a cable.
Question:
(a) The force from the helicopter and
(b) The gravitational force on her? Just before she reaches the helicopter, what is her?
(c) Kinetic energy and
(d) Speed?
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a We use F to denote the upward force exerted by the cable on the astronaut The force of the ...View the full answer
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Related Book For
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
Question Posted:
Related Video
In Physics, a force is an influence that can change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity. In this video, the concept of force and torque is demonstrated with the practical application of changing the flat tire of the car.
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