1. In the figure opposite, the weight w is 60.0 N. a) What is the tension in the diagonal string? b) Find the magnitudes of the horizontal forces A, and that must be applied to hold the system in the position shown. 369
1. In the figure opposite, the weight w is 60.0 N. a) What is the tension in the diagonal string? b) Find the magnitudes of the horizontal forces A, and that must be applied to hold the system in the position shown. 369
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Transcribed Image Text:1. In the figure opposite, the weight w is 60.0 N.
a) What is the tension in the diagonal string?
b) Find the magnitudes of the horizontal forces
A, and that must be applied to hold the system in
the position shown.
369
2. Two blocks with masses 4.00 kg and 8.00 kg are connected by a string and slide down a
30.0° indlined plane. The coefficient of kinetic friction between the
4.00 kg block and the plane is 0.25; that between the 8.00-kg block
and the plane is 0.35
a) Calculate the acceleration of each block.
b) Calculate the tension in the string.
c) What happens if the positions of the blocks are reversed, so the
4.00-kg block is above the 8.00-kg block?
K.00
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