Cowen Forces and Motions
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9 Terms
Velocity is acceleration in a specific direction
False. It is speed
10 m/s2 means that an object is moving 10m farther every second
False. 10 m FASTER
To find the distance take speed and divide it by time
False. D=S(T)
An unbalanced force always exists on objects that are accelerating
True
Accelerating objects must be speeding up
False. Slowing down or changing direction
If an object is traveling at constant velocity, then friction is greater than the applied force
False. Zero acceleration so unbalanced force
If a car goes 0 to 60 miles per hour in 4 seconds its acceleration is 15 miles per hour per second
True
If you push on a box and the box dos not move the applied force is equal to friction
True
Acceleration is the change in velocity divided by change in time
True
