A student attaches a bucket to a cart resting on a 15° incline. The different force acting on the objects are: T: Tension of the strings; N: Normal Force; f; any possible friction; W1: weight of cart; and W2: weight of bucket cart T. bucket 15° Wz

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Chapter1: Units, Trigonometry. And Vectors
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A student attaches a bucket to a cart resting on a 15° incline. The different force acting on the objects are:
T: Tension of the strings; N: Normal Force; f: any possible friction; W1: weight of cart; and W2: weight of
bucket
cart
T
T
bucket
fk
15° V W1
67. The bucket is filled with water until the cart starts to move up the incline at a constant velocity. Which
one(s) of the following relationships between forces is/are correct?
a. W, >T > f
b. W, >T > f +W, sin 15°
c. W, =T > f
d. W, = T = f +W, sin15°
2
2
2
68. Then, the water is replaced by equal volume of sand. Now, which one(s) is/ are correct?
a. W, >T > f
b. W, >T > ƒ +W, sin15°
c. W, =T > f
d. W, = T = f +W, sin15°
2
2
2
2
Transcribed Image Text:A student attaches a bucket to a cart resting on a 15° incline. The different force acting on the objects are: T: Tension of the strings; N: Normal Force; f: any possible friction; W1: weight of cart; and W2: weight of bucket cart T T bucket fk 15° V W1 67. The bucket is filled with water until the cart starts to move up the incline at a constant velocity. Which one(s) of the following relationships between forces is/are correct? a. W, >T > f b. W, >T > f +W, sin 15° c. W, =T > f d. W, = T = f +W, sin15° 2 2 2 68. Then, the water is replaced by equal volume of sand. Now, which one(s) is/ are correct? a. W, >T > f b. W, >T > ƒ +W, sin15° c. W, =T > f d. W, = T = f +W, sin15° 2 2 2 2
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