Problem 1: From the given set of concurrent forces shown in the figure, determine the Resultant force which could represents them. P= 10 KN Q = 20KN 3 T= 10KN 30° F= 25 kN W = 30 KN
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- A person jumps forward with a take-off velocity of 1.90 m/s. At what take off angle is the member's jump's horizontal distance maximum? Identify the knowns and unknowns, and draw force diagrams for the problem.A 1,480-N crate is being pushed across a level floor at a constant speed by a force of 350 N at an angle of 20.0° below the horizontal, as shown in the figure a below. F 20.0° / 20.0° a b (a) What is the coefficient of kinetic friction between the crate and the floor? (Enter your answer to at least three decimal places.) (b) If the 350-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in the figure b, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a). m/s²Now the block on the table has friction. Calculate the frictional force if the block is stationary. m = 8 kg M = 2.8 kg μs = 0.5 μk = 0.4
- The set of equations below are the horizontal (x-) and vertical (y-) component forms of Newton's 2nd law applied to a physical process. Solve for the unknowns. Then work backward and construct a force diagram for the object of interest and invent a problem for which the equations could be an answer (there are many possibilities). (5.0kg)ax = (50N) cos 30° + FF on o cos 90° + (5.0kg) (9.8N/kg) cos 90° (5.0kg)0 = (-50N) sin 30° + FF on o sin 90° - (5.0kg) (9.8N/kg) sin 90°After being release from rest, the objects move. When the blocks have moved 1 meter, calculate the speed of the blocks. 2.6 m/s 1.7 m/s 4.4 m/s 2.9 m/s 3.6 m/sAs shown in the figure below, seven forces all with magnitude F = 41 N are applied to an irregularly shaped object. Each force is applied at a different location on the object, indicated by the tail of the arrow; the directions of the forces differ. The distances shown in the diagram have these values: w = 7m, h = 16 m, and d 12 m. h 90° d (2) (3) (4) (5) (6) W W ---- For each force, calculate the z component of the torque due to that force, relative to location A (x to the right, y up, z out of the page). Make sure you give the correct sign.