Question Paper
Class / Subject: Class 9 (SSC) · Science and Technology (विज्ञान आणि तंत्रज्ञान)
Chapter: Chapter 2 — Chapter 2: Work and Energy
Time Allowed: 32 minutes
Max Marks: 16
1. What is the work formula? [1]
(A) W=F×s
(B) W=F+s
(C) W=F÷s
(D) W=F-s
2. What is the unit of work? [1]
(A) Joule
(B) Watt
(C) Newton
(D) Kilogram
3. What is the kinetic energy formula? [1]
(A) ½mv²
(B) mgh
(C) mv
(D) m/v
4. What does kinetic energy depend on? [1]
(A) Mass and velocity
(B) Only mass
(C) Only velocity
(D) Only height
5. What is the potential energy formula? [1]
(A) mgh
(B) ½mv²
(C) mv
(D) m/v
6. What does gravitational potential energy depend on? [1]
(A) Height
(B) Only mass
(C) Only velocity
(D) Only time
7. What does conservation of energy state? [1]
(A) Energy cannot be created or destroyed
(B) Energy is always created
(C) Energy is always destroyed
(D) Energy has no rules
8. Why learn about work and energy? [1]
(A) Fundamental physics concepts with practical uses
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is the work formula? [1]
(A) W=F×s
(B) W=F+s
(C) W=F÷s
(D) W=F-s
10. What is the unit of work? [1]
(A) Joule
(B) Watt
(C) Newton
(D) Kilogram
11. What is the kinetic energy formula? [1]
(A) ½mv²
(B) mgh
(C) mv
(D) m/v
12. What does kinetic energy depend on? [1]
(A) Mass and velocity
(B) Only mass
(C) Only velocity
(D) Only height
13. What is the potential energy formula? [1]
(A) mgh
(B) ½mv²
(C) mv
(D) m/v
14. What does gravitational potential energy depend on? [1]
(A) Height
(B) Only mass
(C) Only velocity
(D) Only time
15. What does conservation of energy state? [1]
(A) Energy cannot be created or destroyed
(B) Energy is always created
(C) Energy is always destroyed
(D) Energy has no rules
16. Why learn about work and energy? [1]
(A) Fundamental physics concepts with practical uses
(B) No reason
(C) It's not useful
(D) Only for tests