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Quiz

Lesson 1 Quiz: Counting Principle, Permutations (nPr) and Combinations (nCr)

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  • Questions count: 20
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1.
STEM Statics Problem 43: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
60 N
10√3 N
30 N
20√3 N (approximately 34.64 N)
2.
STEM Statics Problem 5: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
10√3 N
20√3 N (approximately 34.64 N)
60 N
30 N
3.
STEM Statics Problem 35: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
30 N
60 N
10√3 N
4.
STEM Statics Problem 3: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
30 N
10√3 N
20√3 N (approximately 34.64 N)
60 N
5.
STEM Statics Problem 36: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
30 N
60 N
20√3 N (approximately 34.64 N)
10√3 N
6.
STEM Statics Problem 7: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
60 N
10√3 N
30 N
20√3 N (approximately 34.64 N)
7.
STEM Statics Problem 12: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
30 N
10√3 N
60 N
20√3 N (approximately 34.64 N)
8.
STEM Statics Problem 23: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
60 N
30 N
10√3 N
9.
STEM Statics Problem 41: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
30 N
60 N
10√3 N
10.
STEM Statics Problem 37: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
60 N
10√3 N
20√3 N (approximately 34.64 N)
30 N
11.
STEM Statics Problem 34: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
60 N
20√3 N (approximately 34.64 N)
10√3 N
30 N
12.
STEM Statics Problem 38: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
60 N
30 N
10√3 N
20√3 N (approximately 34.64 N)
13.
STEM Statics Problem 24: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
10√3 N
30 N
60 N
14.
STEM Statics Problem 29: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
30 N
10√3 N
60 N
15.
STEM Statics Problem 21: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
30 N
10√3 N
60 N
20√3 N (approximately 34.64 N)
16.
STEM Statics Problem 28: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
60 N
30 N
10√3 N
17.
STEM Statics Problem 42: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
10√3 N
20√3 N (approximately 34.64 N)
60 N
30 N
18.
STEM Statics Problem 17: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
30 N
10√3 N
60 N
20√3 N (approximately 34.64 N)
19.
STEM Statics Problem 4: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
20√3 N (approximately 34.64 N)
30 N
60 N
10√3 N
20.
STEM Statics Problem 32: A body of weight 60 N rests on a rough horizontal plane. If the coefficient of static friction μ_s = √3 / 3, what horizontal force is required to place the body on the verge of motion?
60 N
20√3 N (approximately 34.64 N)
10√3 N
30 N
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