Write true or false for the following statements
Motion along a curved line is called translatory or rectilinear motion.
False
What is meant by uniform motion ? Can you think of an example of a body in uniforim motion ?
What can we conclude about the motion of a body depicted by following velocity$-$time graphs ?
The velocity$-$time graph of a car is given below. The car weighs $1000\, kg$.
$(i)$ What is the distance travelled by the car in the first $2$ seconds ?
$(ii)$ What is the braking force at the end of $5$ seconds to bring the car to a stop within one second ?
Answer the following questions
$(i)$ State the type of motion shown by a freely falling stone.
$(ii)$ When a stone is thrown vertically upwards its velocity is continuously decreased. Why ?
$(iii)$ Give an example of a motion in which average velocity is zero, but the average speed is not zero.
$(i)$ What can be depicted from the graph regarding the motion of the object ?
$(ii)$ Find the value of acceleration from the graph.
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