Homework Answers
Applied tension in the block=120 N
Angle of force with horizontal=45 degrees
Horizontal force=120*cos45=84.85 N
Verttical force =120*sin45=84.85 N
Weight of block=10 *9.8=98 N
Normal force from ground on block=98-84.85=13.15 N
Friction force=0.15*13.15=1.97 N
Net horizontal force on block=84.85-1.97=82.88 N
Mass=10 kg
Acceleration=82.88/10=8.288 m/s²
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Three blocks are connected on the table as shown below. The coefficient of kinetic friction between the block of mass m, and the table is 0.405. The objects have masses of m. - 4.75 kg, m,- 1.20 kg, and m, -2.50 kg, and the pulleys are frictionless (a) Draw free-body diagrams for each of the objects. Choose File No lle chosen (b) Determine the acceleration of each object, including its direction m, magnitude m, direction Select m, magnitude m, direction...
Example 6: Three objects are connected on a table as shown in the figure. The coefficient of kinetic friction between the block of mass m2 and the table is 0.350. The objects have masses of mi 4.00 kg, m2-1 .00 kg, and m3=2.00 kg, and the pulleys are frictionless. (b) Determine the acceleration of each object, including its dircction. (c ) Determine the tensions in the two cords. (d) If the tabletop were smooth, would the tensions increase, decrease, or...
In the figure shown, the coefficient of kinetic friction between the 2.0 kg and the 3.0 kg blocks is 0.30. The horizontal surface and the pulleys are friction less and the masses are released from rest. a) Draw a FBD of each block. b) Determine the acceleration of each block. c) Find the tension in the strings.
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Question 3: In order to determine the force of friction and the coefficient of kinetic friction, you will use Vernier Video Analysis to find the acceleration of the cart. You will use the following video to determine these values. Download the following video and open up Vernier Video Analysis, and then import the video into the program. You need to begin your analysis after the hand is no longer pushing the cart and finish when the cart has come to...
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