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- 1. Multiple Choice
In each of the following cases, determine where the car has no acceleration?
A car speeds up after a stoplight turns green.
A car slows down as it approaches a red light
A car with the cruise control set at 80 km/h going down a straight highway
A car turning a curve at a constant speed
- 2. Multiple Choice
The SI unit for acceleration is
mph
ft/sec
m/s2
m/s
- 3. Multiple Choice
A roller coasters accelerates from an initial velocity of of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?24 m/s218 m/s216 m/s216 m/s - 4. Multiple ChoiceA car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.2.2m/s27.0m/s25.7m/s270m/s2
- 5. Multiple Choice
What is the unit for FORCE?
N (Newtons)
lbs (pounds)
g (grams)
m/s (meters per second)
- 6. Multiple ChoiceWhat is the force that pulls us towards the Earth?gravityweightfrictionmass
- 7. Multiple ChoiceWhat are balanced forces?forces of the same size, in opposite directionsthe same size in the same directionforces in opposite directionsforces at right angles to each other
- 8. Multiple ChoiceIn a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?50N to the left.350N to the left.350N to the right.50N to the right.
- 9. Multiple Choice
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2
102.04 n
9,800 n
980 n
103 n
- 10. Multiple ChoiceWhat is the acceleration of a 50 kg object pushed with a force of 500 newtons?100 m/s225,000 m/s210 m/s225 m/s2
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