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DYNAMICS: PHYSICS QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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DYNAMICS: PHYSICS QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
net force - ANSWER vector sum of all forces acting on objects
when the net force is 0, ..... - ANSWER forces are balances and are in equilibrium
newton's first law of motion (law of inertia) - 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 ___________? - ANSWER velocity (an acceleration, change in
speed and direction or both)
inertia - ANSWER resistance to change in motion
-directly proportional to the mass
mass - ANSWER amount of matter an object has
-kilogram (kg)
examples of newton's first law of motion - ANSWER softball pitcher as she releases the ball during a
game into the catcher's glove
newton's second law of motion - 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 - ANSWER a=fnet/m or f=ma
-units m/s^2 , kg
f is the net force - ANSWER -same direction, you add
-opposite direction, you subtract
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