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Quiz

Lesson 1 Quiz: Momentum, Newtons Three Laws of Motion, Impulse and Energy

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  • Questions count: 20
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1.
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)
10√3 N
30 N
60 N
2.
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?
60 N
10√3 N
20√3 N (approximately 34.64 N)
30 N
3.
STEM Statics Problem 15: 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
4.
STEM Statics Problem 16: 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
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
10√3 N
20√3 N (approximately 34.64 N)
60 N
6.
STEM Statics Problem 8: 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.
If two vectors \(\vec{A} = (2, k, -3)\) and \(\vec{B} = (4, 2, 6)\) are perpendicular, then the value of \(k\) is:
C) 10
D) -10
B) -5
A) 5
8.
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
60 N
10√3 N
9.
STEM Statics Problem 44: 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)
10.
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
10√3 N
20√3 N (approximately 34.64 N)
30 N
11.
STEM Statics Problem 20: 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
12.
STEM Statics Problem 22: 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
13.
STEM Statics Problem 19: 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
14.
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?
30 N
10√3 N
60 N
20√3 N (approximately 34.64 N)
15.
The slope of the tangent line to the curve y = x2 - 6 x + 5 at the point (4, -3) equals:
m = -3
m = -2
m = 8
m = 2
16.
If a particle moves along a straight line such that its position s(t) = t3 - 6 t2 + 9 t meters, the particle comes to an instantaneous rest (velocity v(t) = 0) at times:
t = 1 second and t = 3 seconds
t = 0 seconds only
t = 6 seconds
t = 2 seconds and t = 4 seconds
17.
STEM Statics Problem 11: 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
18.
STEM Statics Problem 25: 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
19.
STEM Statics Problem 39: 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)
20.
STEM Statics Problem 40: 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
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