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प्रश्न
One of the following is not a vector quantity. This one is :
पर्याय
displacement
speed
acceleration
velocity
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उत्तर
Speed
Vector quantities have magnitude as well as direction, and they obey the laws of vector addition.
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संबंधित प्रश्न
What name is given to the speed in a specified direction ?
Name the physical quantity obtained by dividing ‘Distance travelled’ by ‘Time taken’ to travel that distance.
Under which condition is the magnitude of average velocity equal to average speed ?
Bus X travels a distance of 360 km in 5 hours whereas bus Y travels a distance of 476 km in 7 hours. Which
bus travels faster ?
Write the formula for acceleration. Give the meaning of each symbol which occurs in it.
Give one example of a motion where an object does not change its speed but its direction of motion changes continuously.
A train takes 2 h to reach station B from station A, and then 3 h to return from station B to station A. The distance between the two stations is 200 km. Find:
The average speed,
The average velocity of the train.
Draw the shape of the velocity-time graph for a body moving with (a) Uniform velocity and (b) Uniform acceleration.
How many variables are present in each equation of motion?
Which of the following figures (Fig. 8.3) represents uniform motion of a moving object correctly?
