(7%) Problem 5: An object of mass m has these three forces acting on it (there is no normal force because it is not in contact with a surface). F1: F2. and F's are shown in the figure. When answering the questions below, assume the a-direction is to the right, and the y-direction is straight upwards. Otheexpertta.com . In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. $ 25% Part (a) Write a symbolic expression for the net force in component form. Give your answer in terms of the F1, F2. Fa, and the unit vectors i and j. Grade Summary Fnet = Deductions 15% Potential 85% 7 8 9 HOME Submissions F 4 5 6 Attempts remaining: 9 d F 1 2 (5% per attempt) y 3 detailed view F 1 F 3 + END 1 5% h P VO BACKSPACE DEL CLEAR 5% 5% Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 1 Feedback: 2% deduction per feedback. A 25% Part (b) Let F1 = 7 N, F2 = 6 N, and Fo = 2 N. Calculate the magnitude of the net force in newtons. A 25% Part (c) What is the direction of the net force, expressed as the angle 0, in degrees, that the net force vector makes with respect to the + r-axis? Enter an angle between -180" and +180". A 25% Part (d) What is the magnitude a of the acceleration in meters per second squared, if the object has a mass of 5.6 kg?(7%) Problem 6: A $3 kg girl is being hauled away from a burning structure as shown in the figure. 15 T T 2 - - --J.10 @theexpertta.com - tracking id: 5188-75-0E-46-BB99-46080. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. A 50% Part (a) Calculate the tension 71: in newtons, on the left side of the rope if the girl is in static equilibrium. Grade Summary T1 = N Deductions 0% Potential 100% sin( cos( tan( 1 7 8 9 HOME Submissions cotan( asin( acos( 4 5 6 Attempts remaining: 12 (5% per attempt) atan( ) acotan( sinh( 2 3 detailed view cosh tanh() cotanh( 0 END O Degrees O Radians VO CLEAR Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback 4 50% Part (b) Calculate the tension 72, in newtons, on the right side of the rope if the girl is in static equilibrium.(7%) Problem S: A horizontal force, F/ = 55 N, and a force, Fy = 16 N acting at an angle of @ to the horizontal, are applied to a block of mass m = 4.5 kg. The coefficient of kinetic friction between the block and the surface is /x = 0.2. The block is moving to the right. Randomized Variables X F1 =55 N F2 = 16 N F m m =4.5 kg P k Otheexpertta.com @theexpertta.com - tracsing ir -wordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. A 50% Part (a) Solve numerically for the magnitude of the normal force, Fyin Newtons, that acts on the block if e = 30. FN= Grade Summary Deductions 0% Potential 100% sin( cos() tan( 7 8 9 HOME Submissions cotan( asin( acos( E 4 Attempts remaining: 12 atan( ) acotand sinh( 1 2 3 (5% per attempt) detailed view cosho tanh() cotanh() END Degrees . Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 2 Feedback: 2% deduction per feedback. A 50% Part (b) Solve numerically for the magnitude of acceleration of the block, a in m/s , if 0 = 30.(7%) Problem 4: A block having a mass of m = 14.5 kg is suspended via two cables as shown in the figure. The angles shown in the figure are as follows: a = 170 and B = 280. Cable I Cable 2- B m Otheexpertta.com @theexpertta.com - tracking id: 5188-75-0E-46-BB99-46080. In accordance with Expert TA's Terms of Service. copying this information to any solutions sharing website is strictly forbidden. Doing so may result in termination of your Expert TA Account. 33% Part (a) From the images below, choose the correct free body diagram. Correct! $ 33% Part (b) Find for the numeric value of T1 in newtons. Grade Summary T1 = N Deductions 15% Potential 85% sin( cos tan( 7 8 9 HOME Submissions cotan( asin( acos() E 4 5 6 Attempts remaining: 9 atan( acotan( sinh( 1 2 3 5% per attempt) detailed view cosh() tanh() cotanh() 0 END 1 5% O Degrees O Radians VO BACKSPACE CLEAR 5% W N 5% Submit Hint Feedback I give up! Hints: 1% deduction per hint. Hints remaining: 3 Feedback: 2% deduction per feedback. A 33% Part (c) Solve for the numeric value of 72 in newtons