Multiple Choice
A child wants to pump up a bicycle tire so that its pressure is 1.2 × 105 Pa above that of atmospheric pressure. If the child uses a pump with a circular piston 0.035 m in diameter, what force must the child exert?
A) 120 N
B) 89 N
C) 76 N
D) 54 N
E) 240 N
Correct Answer:
Verified
Correct Answer:
Verified
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