Give an example of an accelerated body,moving with a uniform speed.
(N/A) An object moving in a circular path with a constant speed is an example of an accelerated body. This is because the direction of motion changes at every point along the circular path,which results in a change in velocity. Since acceleration is defined as the rate of change of velocity,the body is considered to be accelerated. $A$ common example is a dust particle on the circumference of a revolving bicycle wheel moving at a constant speed.
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Distinguish between the terms distance and displacement.
Easy
View Solution$A$ truck is moving on a straight road with uniform acceleration. The following table gives the speed of the truck at various instants of time.
Speed $(m s^{-1})$ $5$ $10$ $15$ $20$ $25$ $30$ Time $(s)$ $0$ $10$ $20$ $30$ $40$ $50$
Draw the speed-time graph by choosing a convenient scale. Determine from it:
$(i)$ The acceleration of the truck.
$(ii)$ The distance travelled by the truck in $50$ seconds.
| Speed $(m s^{-1})$ | $5$ | $10$ | $15$ | $20$ | $25$ | $30$ |
| Time $(s)$ | $0$ | $10$ | $20$ | $30$ | $40$ | $50$ |
Draw the speed-time graph by choosing a convenient scale. Determine from it:
$(i)$ The acceleration of the truck.
$(ii)$ The distance travelled by the truck in $50$ seconds.
Medium
View SolutionWhat does the odometer of an automobile measure? Which of the following is moving faster? Justify your answer.
$(i)$ $A$ scooter moving with a speed of $300 \, m$ per minute.
$(ii)$ $A$ car moving with a speed of $36 \, km$ per hour.
$(i)$ $A$ scooter moving with a speed of $300 \, m$ per minute.
$(ii)$ $A$ car moving with a speed of $36 \, km$ per hour.
Medium
View SolutionIn your everyday life,you come across a range of motions in which
$(a)$ acceleration is in the direction of motion.
$(b)$ acceleration is against the direction of motion.
$(c)$ acceleration is uniform.
$(d)$ acceleration is non$-$uniform.
Can you identify one example each of the above type of motion?
$(a)$ acceleration is in the direction of motion.
$(b)$ acceleration is against the direction of motion.
$(c)$ acceleration is uniform.
$(d)$ acceleration is non$-$uniform.
Can you identify one example each of the above type of motion?
Medium
View SolutionMention the nature of motion of a body if its displacement$-$time graph is a straight line parallel to the time axis.
Easy
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