Advertisements
Advertisements
प्रश्न
Define acceleration. State its unit.
Advertisements
उत्तर
Acceleration is the rate of change of velocity with time.
Its SI unit is metre/second2 (m/s2).
APPEARS IN
संबंधित प्रश्न
An object of mass 16 kg is moving with an acceleration of 3 m/s2. Calculate the applied force. If the same force is applied to an object of mass 24 kg, how much will be the acceleration?
State the type of motion represented by the following sketches in Figures.
Give an example of each type of motion.
Figure given below shows a velocity-time graph for a car starting from rest. The graph has three parts AB, BC and CD.
(a) Is the magnitude of acceleration higher or lower than that of retardation ? Give a reason .
(b) Compare the magnitude of acceleration and retardation .
Diagram is given below shows velocity – time graph of car P and Q, starting from the same place and in the same direction. Calculate the Acceleration of car P.
What does a positive acceleration mean?
The initial velocity of a car is 10 ms-1. It moves with an acceleration of 2 ms-2. What will be its speed after 10 seconds?
Sketch the shape of the velocity-time graph for a body moving with:
Uniform acceleration.
The slope of a velocity-time graph gives ______.
Acceleration is defined as the rate of change of ______.
Assertion: A positive acceleration of a body can be associated with the slowing down of the body.
Reason: Acceleration is a vector.
