Dana Uses a Rope to Pull a Box That Weighs $\degree$

question 79

Multiple Choice

Dana uses a rope to pull a box that weighs 300 N across a level surface with constant velocity.The rope makes an angle of 30 $\degree$ above the horizontal and the tension in the rope is 100 N.What is the coefficient of friction?

• A)0.35
• B)0.29
• C)0.17
• D)0.20

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Definitions:

Colles Fracture

A type of fracture of the distal radius in the forearm with dorsal (rear) displacement of the wrist and hand, often resulting from trying to stop a fall with outstretched hands.

Oblique Fracture

A type of bone fracture where the break is at an angle to the bone's long axis.

Nipper Pliers

A hand tool used for cutting, gripping, or twisting materials, especially useful in nail care and electric work.

Transverse

Lying across; the segment of large intestine that lies across the abdomen; a line drawn horizontally across the body or a structure.