AFNS — AFNS Physics
Motion and Force
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#1 Newton's first law is law of:
A) Gravitation
B) Inertia
C) Action-reaction
D) Energy
Answer: B
#2 Acceleration is rate of change of:
A) Distance
B) Velocity
C) Mass
D) Force
Answer: B
#3 SI unit of force is:
A) Joule
B) Newton
C) Watt
D) Pascal
Answer: B
#4 Momentum equals:
A) Mass x velocity
B) Mass x acceleration
C) Force x time
D) Work x distance
Answer: A
#5 Projectile motion has horizontal:
A) Changing velocity
B) Constant velocity (no air resistance)
C) Zero displacement
D) No acceleration
Answer: B
#6 Friction opposes:
A) Gravity
B) Relative motion
C) Mass
D) Weight
Answer: B
#7 Centripetal force acts:
A) Away from center
B) Toward center
C) Parallel to motion
D) Only upward
Answer: B
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