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Subjects
Science CBSE
Class 9
Force and laws of motion
Newton’s law of motion, Forces and its types
1.
Properties of force
Exercise condition:
2
m.
Choose the correct answer
:
1
.
The force applied by the archer to stretch the bow is an example of _______ force.
electric
friction
muscular
non contact force
2
.
In Galileo's experiment the velocity of the marble__________ when it moves down.
zero
decreases
increases
remains same
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