Advertisements
Advertisements
Question
Define uniform velocity and give one example.
Advertisements
Solution
When a body covers equal distances in equal intervals of time (however small may be the time interval) in a specified direction, the body is laid to be moving with uniform velocity.
Example: A car moving on a straight road with constant speed has uniform velocity.
APPEARS IN
RELATED QUESTIONS
What name is given to the speed in a specified direction ?
Under which condition is the magnitude of average velocity equal to average speed ?
Which of the quantity-velocity or acceleration-determines the direction of motion?
A car travels the first 30 km with a uniform speed of 60 km h−1 and the next 30 km with a uniform speed of 40 km h−1. Calculate :
- The total time of journey,
- The average speed of the car.
A car moving on a straight path covers a distance of 1 km due east in 100 s. What is velocity of the car?
A car is moving with a velocity 20 m s-1. The brakes are applied to retard it at a rate of 2 m s-2. What will be the velocity after 5 s of applying the brakes?
A train travels with a speed of 60 km h-1 from station A to station B and then comes back with a speed 80 km h-1 from station B to station A. Find -
- The average speed
- The average velocity of the train.
What is the relation between distance and time when the body is moving with uniform velocity?
Draw a diagram to show the motion of a body whose speed remains constant, but velocity changes continuously.
What are the uses of equations of motion?
