(20) The change in position along a certain direction is _____ .
(21) The slope of the distance -time graph gives _____ .
(22) The grater the slope of a straight line distance-time graph , the _____ is the speed.
(23) The slope of the distance-time graph gives _____ .
(24) The slope of the velocity-time graph gives _____ .
(25) The area under the speed-time graph gives _____.
KEY>>>>>
1.two 2.changing 3.acceleration 4.zero 5. same
6.zero 7.negative 8.speed 9.zero 10.acceleration
11.negative 12.constant 13.path 14.scalar 15.magnitude
- One newton is equal to ……. dyne.
(12) There are ……….. fundamental forces.
(13) The gravitational force is a ……… range force .
(14) Weight has both magnitude and ………. .
(15) The SI unit of weight is ……… .
(16) Mass is a scalar quantity and its SI unit is ……… .
(17) The gravitational force interact between
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