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physics review Questions with complete solution

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  • PHYSICS
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  • PHYSICS

physics review Questions with complete solution physics review Motion - correct answer It's distance from another object is changing. Reference Point - correct answer A place or object used for comparison to determine if something is in motion International System of Units - correct ...

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  • October 19, 2024
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  • Exam (elaborations)
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  • PHYSICS
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physics review
Motion - correct answer ✔It's distance from another object is changing.


Reference Point - correct answer ✔A place or object used for comparison to
determine if something is in motion


International System of Units - correct answer ✔A system based on the
number ten


Meter - correct answer ✔A littler longer than a yard


Speed - correct answer ✔distance travelled per unit time
change in distance/change in time
m/s, km/hr, cm/s


Velocity - correct answer ✔speed in a given direction


Acceleration - correct answer ✔The rate at which velocity changes
change in speed/change in time
distance/time/time; m/s2, km/hr/sec


Force - correct answer ✔a push or pull
F = mass x acceleration, measured in Newtons


Unbalance force - correct answer ✔It can cause an object to start moving,
stop moving, or change direction

, Net force - correct answer ✔In any situation on an object after all the forces
acting on an object


Balanced force - correct answer ✔Equal forces on an object in opposite
direction


Inertia - correct answer ✔The tendency of an object to resist change in its
motion


Mass - correct answer ✔The amount of mater in something, measured in
grams, kg


Newton - correct answer ✔A unit of measure that equals the force required
to accelerate one kilogram of mass at 1 meter per second per second
1 N = 1 kg x m/s2


Friction - correct answer ✔The force that one surface exerts on another
against each other.


Sliding friction - correct answer ✔When two solid slide over each other.


Fluid friction - correct answer ✔When an object moves through a fluid.


Free fall - correct answer ✔When the only force acting on a object is gravity.


Projectile - correct answer ✔An object that is thrown.

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