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Dynamics Question and answers verified to pass

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Dynamics Question and answers verified to pass Dynamics: Physics net force - correct answer vector sum of all forces acting on objects when the net force is 0, ..... - correct answer forces are balances and are in equilibrium newton's first law of motion (law of inertia) - correct a...

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  • October 19, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • dynamics
  • dynamics question and answers verified to pass

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  • PHYSICS

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Dynamics: Physics
net force - correct answer ✔vector sum of all forces acting on objects


when the net force is 0, ..... - correct answer ✔forces are balances and are in
equilibrium


newton's first law of motion (law of inertia) - correct answer ✔an object in
rest will remain at rest and an object in motion will remain in motion unless an
unbalanced force acts on it


an unbalanced force produces a change in ___________? - correct answer
✔velocity (an acceleration, change in speed and direction or both)


inertia - correct answer ✔resistance to change in motion
-directly proportional to the mass


mass - correct answer ✔amount of matter an object has
-kilogram (kg)


examples of newton's first law of motion - correct answer ✔softball pitcher as
she releases the ball during a game into the catcher's glove


newton's second law of motion - correct answer ✔when an unbalanced force
acts on a body, it accelerates the body in direction of the force
-an unbalanced force produces an acceleration on a mass


formula - correct answer ✔a=fnet/m or f=ma

, -units m/s^2 , kg


f is the net force - correct answer ✔-same direction, you add
-opposite direction, you subtract
-right angle, use pythagorean theorem


examples of his second law - correct answer ✔it is easier to push an empty
shopping cart than a full one because the full shopping cart has more mass
than the empty one showing that more force is required


mass is .... - correct answer ✔ratio of f/a


force vs acceleration grap - correct answer ✔mass is constant f/a


look at - correct answer ✔newton's second law of motion equations


Newton's third law of motion - correct answer ✔for every action there is an
equal but opposite reaction


equal in ________ to the force but _________ in direction - correct answer
✔magnitude, opposite


force comes in _________ - correct answer ✔pairs


the force ________ act on the same object - correct answer ✔doesnt


examples of his third law - correct answer ✔q.v. on next slide

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