| Physical Science | Physical Science | Physical science | Physical Science |
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Motion is a ______ in position.
Change
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_____tells about the _____ and direction of a moving object.
Velocity tells about the speed and direction of a moving object.
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Deceleration occurs whenever acceleration is _____
Deceleration occurs whenever acceleration is negative
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Gravity causes all falling objects to have the same___
Gravity causes all falling objects to have the same acceleration
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______time is the time between events
Elapsed
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Objects may travel at varying ____rather than _____ speed.
Objects may travel at varying speed rather than constant speed.
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A force is a ____or ____
A force is a push or pull
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Air______acts on falling objects to slow them down.
Air resistance acts on falling objects to slow them down.
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_______ is calculated by subtracting the time of the earlier event from the time of the later event.
Elapsed tine
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______is the rate of change in velocity.
Acceleration
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State Newton's 3 Laws of Motion:
1: The first law says that if no force acts on an object at rest, it will remain at rest.
2: The second law says the amount of force needed to produce a given change in the motion of an object depends on the mass of the object. 3: The third law says that if an object exerts a force on a second object, the second object will always exerts a force on the first object. |
The formula for calculating is ______
Mass*accerelation
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______is the rate at which the ______of an object changes. It is _____ to distance divided by time.
Speed is the rate at which the position of an object changes. It is equal to distance divided by time.
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_____equals the change in velocity divided by the change in time.
Acceleration
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______is a force of attraction between any two objects that have mass.
Gravity is a force of attraction between any two objects that have mass.
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To find the speed of an object, you need to know ______ and____.
To find the speed of an object, you need to know the distance and time.
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The formula for ____ can be rearranged for calculation of _____or _____.
The formula for speed can be rearranged for calculation of distance or time
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______is the rate of cooldown.
Deceleration
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State the law of universal gravitation:
Gravitional force depends on the mass of the two objects involved and on the distance between them. The greater the masses, the greater the force.
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The length of time passes from one event to another is_____
The length of time passes from one event to another is elapsed time
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