Question

5. Use the vectors in the figure to the right to graph the following vector. Solve using the parallelogram method. Find the sum v+W. OA. OC. OD 6. A block of ice slides down a ramp with an acceleration of 5.3m/s. If the ramp makes an angle of 32.7 degrees with the horizontal, find g, the acceleration due to gravity. 5.3 m/s2 8 32.7°

Answer 1

5.

option (b) is correct

6.

forces along the ramp

a = g ( sin x)

5.3 = g sin 32.7

g = 9.81 m/s^2

7.

forces along horizontal

T1 cos 42 = T2 cos 30

T1 = 1.165 T2.... (i)

forces along vertical

T1 sin 42 + T2 sin 30 = 175

1.165 sin 42 T2 + 0.5 T2 = 175

T2 = 136.77 Lb

T1 = 159.334 Lb

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