Which of a cars devices can beused to cause a car to accelerate yes no PHYS115

Which of a cars devices can beused to cause a car to

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Question 6 – Which of a car’s devices can beused to cause a car to accelerate?  (  = yes, no)  = 
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PHYS115 – Spring 2012 3 Test 1 - 5 March 2012 gas pedalbrake pedalsteering wheel Question 7 – Which observation could verify that the mass of an object is exactly 1 kilogram? Question 8 – You carefully back up into a narrow alley, at a speed of 5 mph. In the alley you brake, and gradually come to a stop.In which direction was the acceleration of the car while you were using the brake?
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PHYS115 – Spring 2012 4 Test 1 - 5 March 2012 a. out of the alley b. into the alley c. it was zero  d. upward (support force from the alley surface)  1  Question 9 – What is the SI unit of acceleration? a.1 N/sb.1 N/s2c.1 m/sd.1 m/s2Answer d. See book. Question 10 – A girl slides down a slide. What kind of forces act on her? ( = yes,  = no) gravitational forcesupport forcestatic frictional force
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PHYS115 – Spring 2012 5 Test 1 - 5 March 2012  
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