Force - -Any influance that tends to accelerate an object; a push or pull; measured in newtons; vector quantiy -Applied Force - -An external force -Friction - -Force that acts to resist the relative motion (or attempted motion) of objects or materials that are in contact -Net Force - -Combinatio...
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A rectangular airstrip measures 30.90 m by 290 m, with the width measured more accurately than the length. Find the area (in m2), taking into account significant figures. - -A= LW = (290 m)(30.90 m) (rounded to two significant figures) -Carry out the following arithmetic operations. (Enter your ...
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Add to cartA rectangular airstrip measures 30.90 m by 290 m, with the width measured more accurately than the length. Find the area (in m2), taking into account significant figures. - -A= LW = (290 m)(30.90 m) (rounded to two significant figures) -Carry out the following arithmetic operations. (Enter your ...
What are the units of a newton? - -kg*m/s^2 -What is Newton's first law? - -Inertia -What is the mathematical statement of Newton's second law? - -F=ma -What is the natural tendency of an object that is in motion? - -to stay in motion -How many objects and how many forces (at the minim...
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Add to cartWhat are the units of a newton? - -kg*m/s^2 -What is Newton's first law? - -Inertia -What is the mathematical statement of Newton's second law? - -F=ma -What is the natural tendency of an object that is in motion? - -to stay in motion -How many objects and how many forces (at the minim...
"An object that is at rest will remain at rest, and an object that is moving will continue to move in a straight line with constant speed, if and only if the net force acting on the object is zero." This sentence is a statement of ___. - -Newton's First Law -A push or a pull is a(n) ___. - -Fo...
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Add to cart"An object that is at rest will remain at rest, and an object that is moving will continue to move in a straight line with constant speed, if and only if the net force acting on the object is zero." This sentence is a statement of ___. - -Newton's First Law -A push or a pull is a(n) ___. - -Fo...
According to Aristotle, natural motion was thought to be - -either straight up or straight down -According to Aristotle, violent motion was - -imposed motion - the result of forces that pushed or pulled. -example of violent motion - -objects in natural resting places could not be moved by them...
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Add to cartAccording to Aristotle, natural motion was thought to be - -either straight up or straight down -According to Aristotle, violent motion was - -imposed motion - the result of forces that pushed or pulled. -example of violent motion - -objects in natural resting places could not be moved by them...
Whenever the net force on an object is zero, its acceleration - -is zero. -If an apple experiences a constant net force, it will have a constant 2) - -acceleration -If you double the net force on an object, you'll double its - -speed. -If the net force on a cart is tripled, the cart's acc...
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Add to cartWhenever the net force on an object is zero, its acceleration - -is zero. -If an apple experiences a constant net force, it will have a constant 2) - -acceleration -If you double the net force on an object, you'll double its - -speed. -If the net force on a cart is tripled, the cart's acc...
Suppose that the displacement of an object is related to time according to the expression x=Bt^2. What are the dimensions of B? - -L/T^2 -A displacement is related to time as x=Asin(2pift), where A and f are constants. Find the dimensions of A. - -L -The radius of a circle is measured to be (1...
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Add to cartSuppose that the displacement of an object is related to time according to the expression x=Bt^2. What are the dimensions of B? - -L/T^2 -A displacement is related to time as x=Asin(2pift), where A and f are constants. Find the dimensions of A. - -L -The radius of a circle is measured to be (1...
Friction always acts in a direction _______ to the motion - -opposite -The ________ friction force is equal to the product of the coefficient of the kinetic friction and the normal force - -Kinetic -Which is a type of friction you experience as you push a book across a table? - -Kinetic Fricti...
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Add to cartFriction always acts in a direction _______ to the motion - -opposite -The ________ friction force is equal to the product of the coefficient of the kinetic friction and the normal force - -Kinetic -Which is a type of friction you experience as you push a book across a table? - -Kinetic Fricti...
Uniform motion -Motion where equal displacements occur during successive equal time intervals. -Constant acceleration -Acceleration that does not change over time. -Instantaneous acceleration -The acceleration of an object at a particular instant of time. -Acceleration due to gravity -The a...
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Add to cartUniform motion -Motion where equal displacements occur during successive equal time intervals. -Constant acceleration -Acceleration that does not change over time. -Instantaneous acceleration -The acceleration of an object at a particular instant of time. -Acceleration due to gravity -The a...
An object can move even when no force acts on it - -True -If an object isn't moving, no external forces act on it - -False -If a single force acts on an object, the object accelerates - -True -If an object accelerates, at least one force is acting on it - -True -If an object isn't acce...
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Add to cartAn object can move even when no force acts on it - -True -If an object isn't moving, no external forces act on it - -False -If a single force acts on an object, the object accelerates - -True -If an object accelerates, at least one force is acting on it - -True -If an object isn't acce...
A ball is thrown straight up. At what point does the ball have the most energy? - -Everywhere; the energy of the ball is the same at all points. -A man pushes a block up an incline at a constant speed. As the block moves up the incline - -its potential energy increases and its kinetic energy rema...
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Add to cartA ball is thrown straight up. At what point does the ball have the most energy? - -Everywhere; the energy of the ball is the same at all points. -A man pushes a block up an incline at a constant speed. As the block moves up the incline - -its potential energy increases and its kinetic energy rema...
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