Question

the graph of distance versus time is a ----------- for uniform motion

------------ is the distance travelled by a body in unit time

the time taken by a pendulum to complete one oscillation is called its -----------------

the slope of distance time graph of an object give its ------------------

the flat line (parallel to the time on the distance time graph means the speed is -------------------

a small mass that is suspended from a fixed point and allowed to swing freely under the influence of gravity is called a -----------------

the motion that repeats again and again is called -----------motion

fill in the blanks ​

Answer 1

Answer:

1. As in uniform motion, the distance time graph would be a straight line, because the equal distance is covered in equal units of time. ... It is because the slope of a distance-time graph determines the speed of that body, so steeper the slope greater will be the speed of the body.
2. When released, the restoring force acting on the pendulum's mass causes it to oscillate about the equilibrium position, swinging back and forth. The time for one complete cycle, a left swing and a right swing, is called the period.
3. As an object moves, the distance it travels increases with time. ... You can use the steepness, or slopez, of a line in a distance-time graph to determine the speed of an object if speed is constant. The slope of the line is calculated by dividing the change in distance by the change in time for that time interval.
4. Now if distance - time graph is a straight line parallel to the time axis it means OBJECT IS AT REST. This is so because speed = slope of s-t graph. As slope is 0 (line is ।।) so speed is 0.
5. pendulum, a mass, called a bob, suspended from a fixed point so that it can swing in an arc determined by its momentum and the force of gravity.
6. Periodic motion: The motion that repeats itself regularly after equal intervals of time is called the periodic motion
7. Linear speed is the distance travelled per unit of time, while tangential speed (or tangential velocity) is the linear speed of something moving along a circular path.
8. SI unit: m/s, m s−1

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