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Class IX >> Science >> Motion >> A1

Q1	__________ can be defined as speed of an object moving in specific direction.
A	Acceleration
B	Displacement
C	Velocity
D	Speed

Q2	A body is said to have __________ if it covers equal distance in equal intervals of time.
A	Constant Speed
B	Uniform Speed
C	Both A and B
D	Constant Acceleration

Q3	Saina moves 4m due east and then 3m due west. What is her displacement?
A	7 metres
B	1 metre
C	12 metres
D	Zero

Q4	To report the __________ of an object, we must specify both its speed and its direction.
A	Velocity
B	Speed
C	Position
D	Mass

Q5	What is true in case of uniform acceleration?
A	Velocity Increases in Equal Intervals of Time
B	Velocity Decreases with Time
C	The Body is in State of Rest.
D	The Body has Zero Velocity.

Q6	The acceleration of a body with uniform velocity is __________.
A	One
B	Never Zero
C	Zero
D	Maximum

Q7	Motion of earth around the sun is an example of __________.
A	Uniform Circular Motion
B	Rectilinear Motion
C	Body at Rest
D	Uniform Accelerated Motion

Q8	Simplest case of motion is __________.
A	Rectilinear Motion
B	Circular Motion
C	Non Uniform Circular Motion
D	Zig Zag Motion

Q9	What is the total distance covered by an object moving in an equilateral triangle ABC of side x from A to B and B to C?
A	X
B	Zero
C	2X
D	2X/2

Q10	When is the body said to be in rest?
A	Its Position Changes with Time w.r.t Observer
B	It Moves in Uniform Circular Motion w.r.t. Observer
C	Its Position Doesn’t Change with Time w.r.t Observer
D	None of the Above

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