physics 11 adv ch 1 Victors
Quiz
•
Physics
•
11th Grade
•
Hard
Taher Taher
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The free-body diagram below shows two forces acting on a mass. Which equation of the following represents the vector sum of the forces in N, on the x-axis?
يوضح مخطط الجسم الحر أدناه قوتين تؤثران في كتلة. أي المعادلات التالية تمثل متجه محصلة القوى على محور x
ΣFx = 4 cos 210° + 6 cos 40°
ΣF = -4 cos 60° + 6 cos 40°
ΣFx=4 cos 60° + 6 sin 40°
ΣFx = 4 sin 60° + 6 cos 40°
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A particle moves from point P to point Q as shown in the graph below, what is the displacement unit vector of this particle?
يتحرك جسيم من النقطة P الى النقطة ، كما هو موضع بالرسم البياني، ما متجه وحدة الازاحة لهذا
Q = (-4, -3, 2)
P = (3, 12, 6)
PQ = -7x̄-15ŷ – 42z^
PQ = −1x^ − 9ŷ + 82z^
PQ = −1x^ − 15ŷ + 42z^
PQ= -3x^-12ŷ + 62z^
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the angle between the vectors (A = -2x + 3y + z) and (B = x + 2ŷ+3z)?
كم تساوي الزاوية بين المتجهين )
20o
30o
50o
600
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the angle between the vectors (A = −2x^ + 3ŷ + 1z^) and (B = 1x^ + 2ŷ + 3Z^)?
60
30
20
50
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The free-body diagram below shows two forces acting on a mass. Which equation of the following represents the vector sum of the forces in N, on the x-axis?
يوضح مخطط الجسم الحر أدناه فوتين تؤثران في كتلة. أي المعادلات التالية تمثل متجه محصلة القوى على محور x ؟
ΣFx= 4 cos 210° + 6 cos 40°
ΣFx = -4 cos 60° + 6 cos 40°
ΣFx = -4 cos 60° + 6 sin 40°
ΣFx = 4 sin 60° +6 cos 40°
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