QUESTION 1 An object on a ramp is at the point of impending motion. The ramp is inclined at an angle of 18. What is the coefficient of static frction between the object and the ramp? B O A. 0.32 O B. 3.1 O C. 0.95 O D. cannot be determined from the information given OE. none of the aboveQUESTION 2 Calculate the acceleration of the 13 kg block shown. Express the acceleration as a vector. (HINT: Find the net force on the block first!) 30 N 12 N 1309 18 N 40 15 N O A. 0.17 m/s2 at 14.70 O B. 1.63 m/s2 at 750 O C. 1.63 m/s2 at 14.70 O D. 1.63 m/s2 at 0 O E. none of the above QUESTION 3 An object undergoes constant acceleration. Which of the following statement(s) MUST be TRUE? A. There are no frictional forces acting on the object. B. There are no forces acting on the object. C. A constant net force is being applied in the direction of motion. O D. The net force on the object is zero. O E. The object moves in a negative direction.QUESTION 4 7 poin In which case(s) does maximum static friction act on the box? A B At rest before pushing Just barely pushing C D Pushing while speeding up On the verge of slipping O A. A, B, C, and D OB. A and B O C. B and C D. C and D E. C only OF. none of the above