A car manufacturer wants to change its car’s design to increase the car’s acceleration. Which changes should the engineers consider making to the design?increase the force that the engine providesdecrease the force that the engine providesincrease the mass of the cardecrease the mass of the carincrease the top velocity the car can traveldecrease the top velocity the car can travel
Answer
A
increase the force that the engine provides
B
decrease the force that the engine provides
C
increase the mass of the car
D
decrease the mass of the car
E
increase the top velocity the car can travel
F
decrease the top velocity the car can travel
Explanation
Newton’s second law gives acceleration as force divided by mass: a = F/m. Increasing the force from the engine increases acceleration, while decreasing the car’s mass also increases acceleration for the same force. Changing the car’s top velocity does not by itself determine its acceleration.
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