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Quiz Set A: Physics Problems on Motion, Force, and Inertia with Solutions

This quiz set focuses on fundamental physics concepts such as balanced forces, friction, acceleration, and inertia. It includes 5 problems that require students to apply equations of motion and force calculations to determine displacement, mass, and acceleration. Solutions are provided for each problem, alongside necessary equations, ensuring clarity for learners. Students earn points for correct solutions, with specific attention to units and symbols in the equations. A total of 20 points is available for part C of the quiz.

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Quiz Set A: Physics Problems on Motion, Force, and Inertia with Solutions

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  1. Answers to Quiz No. 1 Set A

  2. A. • BALANCED • FRICTION • ACCELERATION • INERTIA • DIRECT

  3. B • 3RD • 3RD • 2ND • 1ST • 3RD

  4. C. • 1 check each (given, solution, equation, and answer) • 4 points every problem • Total of 20 points for part C • Incorrect symbol in the equation will be marked wrong

  5. C. • Corresponding quantity must be written in the GIVEN. • No point will be given for incorrect unit in the final answer.

  6. Problem 1 Given: S = 343 m/s t = 2.5 s d = ? Eqt’n: d = St Solution: d = (343 m/s) (2.5s) Answer: 857.5 m

  7. Problem 2 Given: F = 600 N a = 15 m/s2 m = ? Equation: m = F Solution: m = 600 N Answer: m = 40 kg 15 m/s2 a

  8. Problem 3 Given: F = 5000 N m = 1200 kg a = ? Equation: a = F Solution: a = 5000 N Answer: a = 4. 17 m/s2 1200 kg m

  9. Problem 4 Given: S = 50 km / hr  13.89 m /s t = 10 s  0.0028 hr d =? Equation: d = St

  10. Problem 4 Solution: d = (13.89 m/s) (10s) Answer: d = 138.90 m Solution: d = (50 km/hr) (0.0028 hr) Answer: d = 0. 14 km  138.89 km

  11. Problem 5 Given: a = 5 m/s2 m = 1000 kg F = ? Eqt’n: F = ma Solution: F =(1000 kg) (5 m/s2) Answer: F = 5000 N

  12. Bonus Solution: m = F = 147 N Answer: m = 15 kg a 9.8 m/s2

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