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
Explain why, the motion of a body which is moving with constant speed in a circular path is said to be accelerated.
A motorcycle moving with a speed of 5 m/s is subjected to an acceleration of 0.2 m/s2. Calculate the speed of the motorcycle after 10 seconds, and the distance travelled in this time.
The slope of a speed-time graph gives:
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?
For a uniformly retarded motion, the velocity-time graph 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
Multiple choice Question. Select the correct option.
The speed of a car reduces from 15 m/s to 5 m/s over a displacement of 10 m. The uniform acceleration of the car is :
How can you find the following?
Velocity from acceleration – time graph.
A body is thrown vertically upward with velocity u, the greatest height h to which it will rise is,
An object starting from rest travels 20 m in the first 2 s and 160 m in the next 4 s. What will be the velocity after 7 s from the start?
