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Fill in the blanks: 1. When s-t graph is parallel to x-axis, the body is____________.2. When v-t graph is parallel to x-axis, the body is____________.3. The slope of v-t graph for a body in uniformly accelerated motion is____________.4. The slope of displacement-time graph for a car parked in a parking area is____________.5. Acceleration is a____________quantity. |
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Answer» 1. When S-T graph is parallel to x-axis the body is said to be at REST since the slope of S-T is zero.2. When v-t graph is parallel to x-axis the body is moving in a constant velocity.3. Velocity of an object in uniform circular motion is constant. A car moving on a crowded road with a number of TRAFFIC red signals is in non-uniform motion. Displacement of a body can be positive or zero, but never NEGATIVE4. distance remains same while time increases. A horizontal LINE on graph. A horizontal line has 0° slope.5. Acceleration is a vector quantity that is defined as the rate at which an object changes its velocity. An object is ACCELERATING if it is changing its velocity. |
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