2,003
edits
Force/Lesson on Force: Difference between revisions
From OER in Education
no edit summary
No edit summary |
No edit summary |
||
| Line 13: | Line 13: | ||
Force and linear motion | Force and linear motion | ||
a)how to determine the speed of a moving object and to use the quantitative relationship between speed, distance and time. | a) how to determine the speed of a moving object and to use the quantitative relationship between speed, distance and time. b)that the weight of an object on Earth is the result of the gravitational attraction between its mass and that of the Earth. | ||
b)that the weight of an object on Earth is the result of the gravitational attraction between its mass and that of the Earth. | |||
c)that unbalanced forces change the speed or direction of movement of objects and that balanced forces produce no change in the movement of an object. | c)that unbalanced forces change the speed or direction of movement of objects and that balanced forces produce no change in the movement of an object. | ||
d)ways in which frictional forces, including air resistance, affect motion (for example, streamlining cars). | d)ways in which frictional forces, including air resistance, affect motion (for example, streamlining cars). | ||
