Identify the direction of the friction force in the following cases: 1. A book s

Question

Identify the direction of the friction force in the following cases: 1. A book sitting on a table a. forward, in direction of velocity b. opposite the direction of velocity c. perpendicular to the direction of velocity d. there is no friction in this case 2. A box sliding on a horizontal surface; a. forward, in direction of velocity b. opposite the direction of velocity c. perpendicular to the direction of velocity d. there is no friction in this case 3. A car making a turn on a flat road; a. forward, in direction of velocity b. opposite the direction of velocity c. perpendicular to the direction of velocity d. there is no friction in this case 4. The initial motion of a machine part delivered on a conveyor belt in an assembly line. a. forward, in direction of velocity b. opposite the direction of velocity c. perpendicular to the direction of velocity d. there is no friction in this case

Explanation / Answer

question 4 the answer is a-forward

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