Class 9 Online Courses

Grade 9 Physics MCQs - Chapter 1

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## Chapter 1 MCQs: Dynamics Quiz

MCQ: If the string is stretched by two opposite forces of 10 N then tension in the string is

A) 5N
B) 20 N
C) 10 N
D) zero

MCQ: If we place some coins over the paper strip and pull it with a jerk, then coins don't fall off because of

A) friction
B) inertia
C) resistance
D) force

MCQ: To every action, there is always an equal but opposite reaction, this statement is known as

A) newton's 2nd law of motion
B) newton's 1st law of motion
C) newton's 3rd law of motion
D) law of momentum

MCQ: The banking of road prevents

A) sliding of vehicle
B) rolling of vehicle
C) skidding of vehicle
D) over speeding of vehicle

MCQ: A cyclist of mass 30 kg exerts a force of 250 N to move his cycle. The acceleration is 4 ms−2. The force of friction between the road and tires will be

A) 120 N
B) 130 N
C) 150N
D) 115 N

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