A safe weighing 2000N is to be lowered at constant speed down the ramp 4m long from a truck 2m high; a. If the coefficient of sliding friction between the safe and the ramp is 0.3, will the safe need to be pulled down or held back? b. How great a force parallel to the ramp is needed? Draw the FBD
A safe weighing 2000N is to be lowered at constant speed down the ramp 4m long from a truck 2m high; a. If the coefficient of sliding friction between the safe and the ramp is 0.3, will the safe need to be pulled down or held back? b. How great a force parallel to the ramp is needed? Draw the FBD
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter5: Newton's Laws Of Motion
Section: Chapter Questions
Problem 43PQ: A woman uses a rope to pull a block of mass m across a level floor at a constant velocity. The...
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A safe weighing 2000N is to be lowered at constant speed down the ramp 4m long from a truck 2m high;
a. If the coefficient of sliding friction between the safe and the ramp is 0.3, will the safe need to be pulled down or held back?
b. How great a force parallel to the ramp is needed?
Draw the FBD
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