The free-body diagram of a wagon being pulled along a horizontal surface is best represented B E +F F. F. F F PP PP a. A. d. D ъ. В c. C e. E
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A: Mass of block: m = 14 kg Acceleration of block: a = 0 m/s2 Force applied on block: F = 34N
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A: solution as
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- A 10.0 [kg] block is pushed by a 45.0 [N] force against a rough wall that is inclined at an angle 70°. What should be the minimum coefficient of static friction Push Hg so that the block will not slide down the ramp? А. 2.04 C. 0.746 В. 0.245 D. 1.17 0 = 70°OR Da Quizzes-SPH3UZ-P-Physics-Botnick, M... ination 18 21 3 24 26 27 pdsb.elearningontario.ca b Answered: A mom is pulling her son and d... c ChatGPT Question 34 (1 point) ✓ Saved A mom is pulling her son and daughter who are sitting in two sleds that are connected by a rope. The mass of the girl and sled 1 is 61 kg, the mass of the boy and sled 2 is 65 kg. The mom is pulling so that the sleds accelerate at a rate of 0.42 m/s2. If the coefficient of kinetic friction between the sleds and the ice is 0.22, what is the force with which the mom is pulling? sled 2 29 30 a) 320 N 32 33 b) 310 N ✓ > sled 1 34 35 Quiz Information c) 330 N d) 300 N Question 35 (1 point) Saved A hockey puck slides along an ice surface shortly after it has left the hockey stick that propelled it. Which of the following free-body diagrams best represents the F1 2 * 80 a 8 DII ง F4 F5 F6 F7 F8 F9 F10 F11 F2 F3 # 3 W E 74 55 6 & 7 * 8 R T Y U 61 9 0 O PIf the block is moving with a constant speed. In addition to the shown forces, there is frictional force acting on the the block. What is this resistive force? 3 N 5 N Select one: a. 2 N Left b. o N C. 2 N Right d. None of these
- A 100 kg crate is being pushed on a horizontal floor at constant velocity. Given that the coefficient of kinetic friction between crate and floor is uk = 0.2, what is the frictional force? F Select one: a. 196N O b. 250N O c. 500N d. 980NA worker pulls a crate of mass, m, via a uniform, massless cable that is attached to the crate at an angle, θ, above the horizontal. The resultant tension in the cable is T. What is the normal force acting on the crate? a. mg b. mg + Tsinθ c. mg - Tcosθ d. mg - Tsinθ e. Tsinθ