Advertisements
Advertisements
Question
When is the positive acceleration?
Solution
When the velocity of a body increases with time, then the acceleration of the body is said to be positive acceleration.
APPEARS IN
RELATED QUESTIONS
What term is used to denote the change of velocity with time ?
Fill in the following blank with suitable word :
If a body moves with uniform velocity, its acceleration is ..............
A bus running at a speed of 18 km/h is stopped in 2.5 seconds by applying brakes. Calculate the retardation produced.
Explain the meaning of the following equation of motion :v = u + at, where symbols have their usual meanings.
A body starting from rest travels with uniform acceleration. If it travels 100 m in 5 s, what is the value of acceleration ?
A train starting from stationary position and moving with uniform acceleration attains a speed of 36 km per hour in 10 minutes. Find its acceleration.
The velocity-time graph of a body in motion is a straight line inclined to the time axis. The correct statement is ___________
Multiple choice Question. Select the correct option.
A body dropped from the top of a tower reaches the ground in 4s. Height of the tower is
How can you find the following?
Velocity from acceleration – time graph.
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?