AFNS — AFNS Physics
Work and Energy
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#25 Gravitational field g on Earth about:
A) 9.8 m/s^2
B) 1 m/s^2
C) 98 m/s^2
D) 0.98
#26 Escape velocity depends on:
A) Mass and radius of planet
B) Object colour
C) Object shape only
D) Day/night
#27 Orbital speed for satellite depends on:
A) Radius of orbit
B) Mass of satellite only
C) Colour
D) Shape only
#28 Kepler third law relates:
A) Period squared and radius cubed
B) Force and mass only
C) Speed and colour
D) No relation
#29 Simple pendulum period depends on:
A) Length and g
B) Mass mainly
C) Amplitude large always
D) Bob colour
#30 Resonance occurs when:
A) Driving frequency matches natural
B) Always damping max
C) No vibration
D) Only sound
#31 Damping reduces:
A) Amplitude over time
B) Mass
C) Gravity
D) Charge
#32 SHM acceleration proportional to:
A) Negative displacement
B) Velocity
C) Time
D) Mass only
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