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two shopping carts are pushed with the same force. the shopping carts have the same mass. shopping cart a is pushed with three times the force as shopping cart b. how does the force applied to the shopping carts affect their acceleration?
a. shopping cart b accelerates twice as fast as shopping cart a
b. shopping cart b accelerates three times as fast as shopping cart a
c. shopping cart a accelerates three times as fast as shopping cart b
d. both shopping carts will accelerate at the same rate since their masses are the same.