A Series of Weights Connected by Very Light Cords Are

question 68

Multiple Choice

A series of weights connected by very light cords are given an upward acceleration of 4.00 m/s² by a pull P,as shown in the figure.A,B,and C are the tensions in the connecting cords.The pull P is closest to

• A) 690 N.
• B) 490 N.
• C) 290 N.
• D) 200 N.
• E) 50 N.

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Definitions:

Ball and Socket

A type of joint in which the spherical end of one bone fits into the cup-like end of another, allowing multidirectional movement and rotation.

Movable

Capable of being moved or easily moved from one place or position to another.

Saddle

A seat for the rider of a horse, typically made of leather, and designed to provide comfort and stability during riding.

Ellipsoid Joints

A type of synovial joint that allows movement in two planes, such as flexion-extension and abduction-adduction, exemplified by the wrist joint.