**18. A block slides down an inclined ramp, speeding up as it goes. The ramp is not friction less (u0.50). The ramp makes an angle of 53° with respect to the horizontal, as shown at right a) Draw a free-body diagram for the block. Label your forces using the method explained on page 85 b) If the magnitude of the normal force is 90 N, find the mass of the block 530 c) Find the acceleration (magnitude and direction) of the block. 1

College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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**18. A block slides down an inclined ramp, speeding up as it goes. The ramp is not friction
less (u0.50). The ramp makes an angle of 53° with respect to the horizontal, as shown at
right
a) Draw a free-body diagram for the block. Label your forces using the method
explained on page 85
b) If the magnitude of the normal force is 90 N, find the mass of the block
530
c) Find the acceleration (magnitude and direction) of the block.
1
Transcribed Image Text:**18. A block slides down an inclined ramp, speeding up as it goes. The ramp is not friction less (u0.50). The ramp makes an angle of 53° with respect to the horizontal, as shown at right a) Draw a free-body diagram for the block. Label your forces using the method explained on page 85 b) If the magnitude of the normal force is 90 N, find the mass of the block 530 c) Find the acceleration (magnitude and direction) of the block. 1
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