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- If the problem at hand is to determine how far I travel in a day, then there are two possible answers: either I've gone to work and back (22 km each way for a total of 44 km) or I've gone nowhere (22 km each way for a total of 0 km). The first answer invokes translational motion while the second invokes oscillatory motion.
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Newton's First Law of Motion. An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force. Inertia. The tendency of all objects to resist any change in motion.
A change in position of an object with respect to time. Motion is typically described in terms of displacement, distance (scalar), velocity, acceleration, time and speed. A scalar quantity measuring the rate at which an object covers distance. Speed is ignorant of direction.
4.8 (22 reviews) Define mechanics and describe its three major divisions. Click the card to flip 👆. Mechanics is the study of motion. Its three major divisions are kinematics, the study of how things move; dynamics, the study of the causes of motion; and statics, the study of how stationary systems react to pushes and pull acting upon them.
The motion of the rocket labeled A is an example of motion with uniform (i.e., constant) _____. ANSWER: and nonzero acceleration velocity position time and nonzero acceleration
What does the gradient of a distance-time graph tell us? The gradient of a distance-time graph for an object represents the objects speed. How do we calculate the speed of an object? Speed in m/s = distance travelled in m/time taken in s. What is the difference between speed and velocity?
Study with Quizlet and memorize flashcards containing terms like Which of the following is the cause of an acceleration or a change in an object's motion? a) speed b) inertia c) force d) velocity, Which statement does NOT describe force?
Physics - Motion - Review Questions. Term. 1 / 21. speed. Click the card to flip 👆. Definition. 1 / 21. (def:) The distance an object travels in a certain amount of time. Click the card to flip 👆.
