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Class IX >> Science >> Force and Laws of Motion >> A1

Q1	Two opposite forces of different magnitudes pull an object in the direction of the greater force. Such force is called ___________.
A	Balanced Force
B	Unbalanced Force
C	Friction Force
D	Gravitational Force

Q2	An object comes in motion by way of __________.
A	Pushing
B	Hitting
C	Pulling
D	All of the Above

Q3	A force can be used to change the __________ of velocity of an object.
A	Direction
B	Magnitude
C	Both (A) and (B)
D	None of the Above

Q5	A force can change the __________ of objects.
A	Shape
B	Size
C	Mass
D	Both (A) and (B)

Q7	The unbalanced force acts in the __________ direction of object's motion.
A	Opposite
B	Same
C	Either Opposite or Same
D	None of the Above

Q8	Who presented three fundamental laws that govern the motion of objects?
A	Kepler
B	Einstein
C	Newton
D	Galileo

Q9	An object moves with a uniform velocity when the forces acting on the object are __________.
A	Balanced
B	Unbalanced
C	Gravitational Force
D	All of the Above

Q10	Who deduced that objects move with a constant speed on an inclined plane when no force acts on them?
A	Edison
B	Einstein
C	Kepler
D	Galileo

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