Center: OA Simulation Practice, PA Rubric
Execution Guide, Competency Control &
Smart Progress System (2026–2027)
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The WGU Exam Command Center is a comprehensive,
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Fundamentals of Mechanics
, 1. A quantity with magnitude only is called:
A. Vector
B. Scalar
C. Tensor
D. Force
Answer: B
2. Which is a vector quantity?
A. Mass
B. Time
C. Velocity
D. Energy
Answer: C
3. SI unit of force is:
A. Joule
B. Watt
C. Newton
D. Pascal
Answer: C
4. Dimensions of velocity are:
A. LT⁻¹
B. L²T⁻²
C. MLT⁻²
D. LT
Answer: A
5. Error due to faulty instrument is:
A. Random error
B. Systematic error
C. Gross error
D. Zero error
Answer: B
Kinematics
6. Rate of change of displacement is:
A. Speed
B. Velocity
, C. Acceleration
D. Distance
Answer: B
7. Acceleration is rate of change of:
A. Distance
B. Velocity
C. Speed
D. Force
Answer: B
8. Unit of acceleration:
A. m/s
B. m/s²
C. m²/s
D. s/m
Answer: B
9. For uniform motion, acceleration is:
A. Constant
B. Zero
C. Increasing
D. Decreasing
Answer: B
10. Area under velocity-time graph gives:
A. Acceleration
B. Displacement
C. Speed
D. Force
Answer: B
11. A projectile has constant:
A. Horizontal velocity
B. Vertical velocity
C. Acceleration zero
D. Speed zero
Answer: A
12. Maximum height occurs when vertical velocity is:
A. Maximum