WorksheetsCLASS IX
Total questions: 15
Worksheet time: 10mins
Reference point used to describe the position of an object is said to be
Zero point
Origin
Standard point
First point
A object goes from point X to Y and then come back from Y to X. What is the displacement and average velocity?
Zero, Maximum
Zero, minimum
Both are zero
Zero and average velocity cant be defined
What do you infer if Distance –time graph is straight line
Speed is constant
Speed varies
It has non uniform velocity
It has non uniform acceleration
What do you infer if velocity –time graph is curved
Speed is constant
Speed varies
It has non uniform velocity
It has non uniform acceleration
What do you infer if Distance–time graph is zig zag
Speed is constant
Speed varies
It has non uniform velocity
It has non uniform acceleration
What happens to speed, velocity acceleration when an object moves in a circle with uniform speed?
Speed, velocity direction varies
Speed, velocity varies
Speed, velocity, direction constant
Speed, velocity constant, direction changes
Time is a vector quantity
True
False
The area of the velocity time graph gives displacement of the body
True
False
The area of the velocity time graph gives displacement of the body
True
False
The velocity - time graph of a body is parallel to the time axis. The body is
At rest
Uniform accelerated motion
Zero acceleration
Non uniform acceleration
Unit of velocity is
m/s
m/s2
m
ms
The two measurements necessary for calculating average speed are
Acceleration & time
Distance & time
Displacement & time
Speed & time
Which quantity is expressed using given connection?
(a)
Hear the song & give which phenomenon it explains
(a)
Which physical quantity is represented in this connection?
(a)
