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Activity 87 Friction Problems L. A 122 kg block is initially at rest on a horizontal frictionless surface. A 6o9 N net force starts the block to the right. The coefficient of kinetic friction is 0.320 a. Draw a FBD of the block pushing b. What is the value of the normal force acting on the block? What is the value of the friction force acting on the block? c. d. What is the acceleration of the block? e. What is the velocity of the block 1.25 s after the pushing starts?
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fr ma Ак:0.320 (b) Nama: 122 x 9.8-1195. є N K-AN - 0-320 x 1195. 6 382. 592 N 609-32. 592_ 1.856 Ts 122 ひ 2.32ms

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