Class 9 Online Courses

Chapter 9: Class 9 Physics Exam Tests

Class 9 Physics MCQs - Chapter 9

Work and Energy MCQ (Multiple Choice Questions) PDF - 10

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Work and Energy MCQ Questions : Physics Quiz 10

MCQ 46: If a box is pulled by a rope making an angle with the surface then the horizontal component of force is equal to

A) F sinθ
B) F cosθ
C) F tanθ
D) F cotθ

MCQ 47: A block weighing 18 N is lifted 7 m vertically upward. The potential energy stored in it is

A) 126 J
B) 120 J
C) 130 J
D) 124 J

MCQ 48: To heat our houses and run industry and transport, we use coal, oil and gas which are termed as

A) fusions
B) fossil fuels
C) chemicals
D) molecules

MCQ 49: A ship moves at a speed of 4 ms-1. Water resistance acting on it is 4000 N. The power of its engine is

A) 20 kW
B) 24 kW
C) 11 kW
D) 16 Kw

MCQ 50: Energy can be converted into some other forms but cannot be

A) destroyed
B) decrease
C) increase
D) transferred

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