AFNS — AFNS Physics
Motion and Force
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#17 Acceleration is rate of change of:
A) Velocity
B) Distance only
C) Mass
D) Force
Answer: A
#18 Equations of motion v = u + at valid for:
A) Constant acceleration
B) Variable acceleration always
C) Circular only
D) Random motion
Answer: A
#19 Displacement differs from distance as:
A) Shortest path vector
B) Always greater
C) Scalar same
D) Always zero
Answer: A
#20 Projectile motion horizontal acceleration:
A) Zero (neglect air)
B) g downward
C) g upward
D) Changes randomly
Answer: A
#21 Projectile vertical acceleration:
A) g downward
B) Zero
C) g upward
D) Variable horizontal
Answer: A
#22 Range of projectile depends on:
A) Speed and angle
B) Mass only
C) Colour
D) Volume
Answer: A
#23 Maximum range angle (no air):
A) 45 degrees
B) 90 degrees
C) 0 degrees
D) 60 only always
Answer: A
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