QUESTION 2 (Start on a new page) A light inelastic rope connects two blocks with masses of 1,5 kg and 2 kg respectively. A force, F, is exerted on block A at an angle of 20° with the horizontal. When a force F of 9,15 N is exerted on block A, the blocks move at a CONSTANT SPEED over the rough surface. 2.1 Define kinetic frictional force. 2.2 Draw a labelled free-body diagram of block A showing all the forces acting on it. 2.3 Calculate the horizontal component of the applied force F. 2.4 Define a normal force. 2.5 Calculate the magnitude of the normal force acting on block A. 2.6 Calculate the kinetic friction coefficient between the blocks and the rough surface. The kinetic friction coefficient between both blocks and surface are the same. 2.7 How will the magnitude of the frictional force on block A change, if the angle at
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Kinetic frictional force is the force that opposes the relative motion between two surfaces in contact when they are sliding past each other. It acts in the opposite direction to the motion of the object. Show more…
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Block (19 kg) is located on the surface of a table. A rope pulls on the block with a horizontal tension of 62 N to the right and a vertical tension of 140 N upward. The coefficient of kinetic friction between the block and the surface equals 0.1. On a sheet of paper, draw the free body diagram for the block using the two-subscript notation from class. After completing the free body diagram, enter below each force and its X-components. Remember that the X-component is the "i" component and the Y-component is the component. FORCES on BLOCK: 1. Weight force on block by Earth (WIE) 2. Tension force on block by Rope (TIR) 3. Normal force on block by Surface (NIS) 4. Frictional force on block by Surface (fis) What is the acceleration of block 1? (m/s^2)
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