A block is pulled at constant speed along a rough level surface by a rope that makes an angle of 30° with respect to the horizontal. The applied force along the rope is p. The force of kinetic friction between the block and the surface is 30 N. 30° Which one of the following expressions gives the magnitude of the force P in SI units?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter5: More Applications Of Newton’s Laws
Section: Chapter Questions
Problem 64P: If a single constant force acts on an object that moves on a straight line, the objects velocity is...
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A block is pulled at constant speed along a rough level
surface by a rope that makes an angle of 30° with
A respect to the horizontal. The applied force along the
rope is p. The force of kinetic friction between the
block and the surface is 30 N.
30°
Which one of the following expressions gives the
magnitude of the force P in SI units?
tan 30°
10(cos 30°)
30/(cos 30°)
20(sin 30°)
20/(sin 30°)
Transcribed Image Text:A block is pulled at constant speed along a rough level surface by a rope that makes an angle of 30° with A respect to the horizontal. The applied force along the rope is p. The force of kinetic friction between the block and the surface is 30 N. 30° Which one of the following expressions gives the magnitude of the force P in SI units? tan 30° 10(cos 30°) 30/(cos 30°) 20(sin 30°) 20/(sin 30°)
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