Neglecting the weight of the bracket, and if
s = 5.3 cm. $1 = 4.3 cm and s2 -3.2 cm, find
the horizontal force component exerted on the
bracket by the screw when a 117 N vertical
force is applied as shown. Imagine that the
bracket is slightly loose,
Answer in units of N.
H
0
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What is the conversion factor between kg/m^3 and g/m^3. express your experimental values for the densities in kg/m^3.

The force acting on a beam was measured under the same operating conditions and a sample of 5 data points was collected. this process was repeated by 3 observers. the pooled standard deviations of these 3 data sets was 1.21. determine the true mean force using all pooled data (with a 95% probability). the result should look like this: true mean = mean +/- margin of error

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.