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McCormack-Speed Test
McCormack-Speed & Acceleration
Question | Answer |
---|---|
A change in position over time | Motion |
A change in distance over time | Speed |
A change in speed over time | Acceleration |
Speed and direction | Velocity |
Acceleration due to gravity | 9.8 m/s2 |
Walking south @ 5 mph (mi/hr) is an example of? | Velocity |
65 Km/hr/sec. an example of? | Acceleration |
a = Vf – Vi /t | Formula for Acceleration |
S= D/t | Formula for Speed |
What type of graph is Distance over time? | Speed is |
What type of graph is Velocity over time? | Acceleration |
At 70 Km/hr, how far can you go in 2 hours? | 140 Km |
How long will it take you to go 210 Km at 70 Km/hr? | 3 hours |
What is your acceleration from 0-60 mph in 3 seconds? | 20 mph/sec. or -20 mph/sec |
What happens from 20-30 min. on this graph? | Stopped at block 5 for 10 min. |
Force can be a __________ or ____________? | Force can be a Push or a Pull |
The units for Force? | Newtons (N) |
Forces have both _________ & _______________? | Forces have both Size & Direction |
Equal Forces working in opposite directions will _________? | Subtract, Cancel each other out, Net F = 0 |
Forces working in the same direction will____________? | Add together. |
Will a Balanced Force cause an object to move? ______ | No |
Will an Unbalance Force cause an object to move? ______ | Yes |