Advertisements
Advertisements
Question
What is meant by the term acceleration ? State the SI unit of acceleration.
Advertisements
Solution
Acceleration of a body is defined as the rate of change of its velocity with respect to time. It is a vector quantity. The S.I. unit of acceleration is (m/s2) .
APPEARS IN
RELATED QUESTIONS
Give one example of a situation in which a body has a certain average speed but its average velocity is zero.
What conclusion can you draw about the velocity of a body from the displacement-time graph shown below :
Name the quantity which is measured by the area occupied under the velocity-time graph.
Fill in the following blank with suitable word :
If a body moves with uniform velocity, its acceleration is ..............
A freely falling object travels 4.9 m in 1st second, 14.7 m in 2 nd second, 24.5 m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of :
A bus increases its speed from 36 km/h to 72 km/h in 10 seconds. Its acceleration is :
A car starting from rest acquires a velocity 180m s-1 in 0.05 h. Find the acceleration.
A bicycle initially moving with a velocity 5.0 m s-1 accelerates for 5 s at a rate of 2 m s-2. What will be its final velocity?
Can you suggest a real-life example about the motion of a body from the following velocity – time graph?
How will the equations of motion for an object moving with a uniform velocity change?
