Study guides, Class notes & Summaries

Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so. Compare the gravitational potential energy of you and your friend, after you both reach the top. - ANSWER Both of you have the same amount of gravitational potential energy at the top. A stone can slide down one of four different frictionless ramps, as shown in the figure. For which ramp will the speed of the ball be the greatest at the bottom? - ANSWER The speed of th...

Physics 1603 Exam Chapter 5-7 exam Review questions and answers 2024 You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so. Compare the gravitational potential energy of you and your friend, after you both reach the top. - ANSWER Both of you have the same amount of gravitational potential energy at the top. A stone can slide down one of f...

Physics 1603 Exam Chapter 5-7 exam Review questions and answers 2024 You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so. Compare the gravitational potential energy of you and your friend, after you both reach the top. - ANSWER Both of you have the same amount of gravitational potential energy at the top. A stone can slide down one of f...

You and your friend, who weighs the same as you, want to go to the top of the Eiffel Tower. Your friend takes the elevator straight up. You decide to walk up the spiral stairway, taking longer to do so. Compare the gravitational potential energy of you and your friend, after you both reach the top. - ANSWER Both of you have the same amount of gravitational potential energy at the top. A stone can slide down one of four different frictionless ramps, as shown in the figure. For which ramp wi...

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 remains the same. -You push very hard on a heavy desk, trying to move it. You do work on the desk - -only if it starts moving -When the speed of your car is doubled, by what factor does its kinetic ...

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 accelerating, no external force is acting on it - -False -If the net force acting on an object is in the positive x-direction, the object moves only in the positive x-direction - -False -No force of...

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 acceleration of an object in free fall resulting from Earth's gravity. -Contact force -A force exerted on an object only when touching it. -Long-range force -A force that acts on an object witho...

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 themselves, they had to be pushed or pulled -if an object was moving "against its nature" then - -a force of some kind was responsible -if there were no force there would be - -no motion (except f...

"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) ___. - -Force -Tow forces that are in opposite directions, have equal magnitudes, and act on different objects are a(n) ___. - -Interaction Pair -A force exerted by any segment of a rope or string on an a...

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 minimum) are involved in Newton's third law? - -2 & 2 -What type of force is a magnetic force? - -Field -What type of force is a frictional force? - -Contact -Is force a scalar or vector quantity...