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- When rebuilding his car's engine, a physics major must continuously exert 4.02 ✕ 102 N of force to insert a dry steel piston as it slides into a steel cylinder. What is the normal force (in N) between the piston and cylinder? (Enter the magnitude.)If a force is applied with a magnitude of 200 N at 30 degrees above the horizontal, what are the horizontal and vertical components of this force? Group of answer choices Fa,h= 136.667 N Fa,v= 87.334 N Fa,h= 200 N Fa,v= 200 N Fa,h= 173.2 N Fa,v= 100 N Fa,h= 150 n Fa,v= 50 NA man weighs 210 lbf at a location where g= 32.10 ft/s2. Determine his weight on the Mars, where g= 5.47 ft/s2.
- Two forces have magnitudes F1 and F2. If these forces are added together, which ofthe following statements about the net force is correct? A: The net force must have amagnitude equal to F1 + F2. B: The net force can have a magnitude less than F1 + F2.C: The net force can have a magnitude greater than F1 + F2. D: The net force has amagnitude greater than F1.The magnitude of the normal force at point C is 6.8mg. The magnitude of the net force at point B is ____ mg.If Q= +23 nC in the figure above, what is the magnitude of the net force that it experiences?
- When rebuilding his car's engine, a physics major must continuously exert 1.16 ✕ 102 N of force to insert a dry steel piston as it slides into a steel cylinder. What is the normal force (in N) between the piston and cylinder? A.) (Enter the magnitude.) B.)What force (in N) would he have to continuously exert if the steel parts were oiled? (Enter the magnitude.)The wind force (F) on a flat vertical surface varies jointly as the area of the surface (A) and the square of the wind velocity (V). Suppose that the constant of variation is 40, find the force (in lbs) of the windstorm on 10 ft by 12 ft rectangular sign board that has a velocity of 60mi/hrFour acrobats of mass 68.0 kg, 68.0 kg, 62.0 kg, and 55.0 kg form a human tower, with each acrobat standing on the shoulders of another acrobat. The 68.0-kg acrobat is at the bottom of the tower. (a) What is the normal force acting on the 68.0-kg acrobat? (Enter the magnitude only.) N (b) If the area of each of the 68.0-kg acrobat's shoes is 480 cm2, what average pressure (not including atmospheric pressure) does the column of acrobats exert on the floor? Pa (c) Will the pressure be the same if a different acrobat is on the bottom?
- An object experiences two forces, A and B below. What is the MAGNITUDE of the resultant force (R = A + B) on the object? A = 60 lb due East (0 degrees), B = 80 lb due north (90 degrees).Forces P, Q and S of magnitudes 6.00 N, 10.00 N and 8.00 N respectively, acts on point O such that the angle made by force P is 50o counter clockwise from the positive x axis, force Q acts at an angle of 38 o counter clockwise from the negative y axis and force S acts at an angle of 32 o counter clockwise from the positive y axis. The x component of force S isThe terminal velocity of a copper ball of radius 2.0mm falling through the tank of oil at 20 degree C is 6.5cm/s. Compute the viscosity of oil at 20 degree C.