Problem 57. What size downward force F must be applied to lift the cart of weight 2000 N using the 4-pulley apparatus shown below? Justify your answer. Ceiling

Two boxes with weights of 10 N and 30 N are connected to each other by a string as showm in the figure below. The 10-N weight box slides without friction on the horizontal table surface. The pulley is ideal and the string has negligible mass. What is true about the tension T in the string? * Question Completion Status: QUESTION 5 10 N 30N OAT=10 N O B.T= 30 N OCT 30 N E.T 20 N e and Submit to save and submit. Click Save All Answers to save all answers. ere to search

The drawing shows a per- son (weight, W = 584 N) doing push-ups. Find the normal force exerted by the floor on each hand and each foot, assum- 12. ing that the person holds this position. 0.840 m 0.410 m

8:26 2. Use three decimal places and set your calculator in the 3. Enclosed the final answers in a rectangular box. ILIBRE NYO KO PROBLEM OI. 300KN box resting on an inclined surface is held in position by a force P acting as shown. If the angle of friction between the contact surfaces is 10°, determine the maximum and minimum values of this force P to maintain equilibrium. 300KN BOX P 15⁰ More

The winch delivers a horizontal towing force F to its cable at A which varies as shown in the graph. (Figure 1) Figure PR B F(N) 600 360 12 24 t(s) 1 of 1 Part A Determine the speed of the 72 kg bucket when t = 23 s. Originally the bucket is moving upward at v1 = 4 m/s. Express your answer to three significant figures and include the appropriate units. V2 = Value Submit μA Provide Feedback Request Answer Units ?

In the figure shown, if the weight of the beam is 300 N. What is the force exerted ?by the beam on leg number A 3 m 0.5 m A В .A N 180 .B N 150 .C Can not be determined .D N 120

I need the answer as soon as possible

I am having trouble with this problem conseptualy because it seams like it should not be moving but the friction has a direction?

Hi I needed help with this.  An athlete with a mass of 53.5 kg is doing pushups as shown in the figure below. The value for rW⊥ is 1.00 m and the value for rR⊥ is 1.60 m. (a) Assuming she moves upward at a constant speed, determine the force she must exert on the floor with each hand to do a push-up.(b) The triceps muscle in the back of her upper arm with an effective lever arm of rT⊥ = 1.70 cm, as shown in the figure below, and she exerts force on the floor a horizontal distance of r 'R⊥ = 2.05 cm from the elbow joint.   Determine the force in the triceps muscle.In order to appreciate the strength of the triceps, determine the ratio of the force in the tricep muscle to her weight (in decimal form).   FT/W = ?

100 lb In the fig. shown, compute the minimum Weight W to prevent impending motion of the block up the incline. The weight of the block is 100 Ib as shown and the coefficient of friction between the block and the incline u = 0.45. Assume frictionless pulley. W 450