This quiz works best with JavaScript enabled. Home > Science > Physics > Physics – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Physics Quiz 5 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. When isaac newton died? A) March 31, 1727. B) March 31, 1728. C) March 13, 1727. D) None of above. Show Answer Correct Answer: A) March 31, 1727. 2. All factors kept constant, what will happen to power if the height at which an object is lifted is tripled? A) It will be tripled. B) It will be reduced to 1/3 of its original value. C) It will become 9 times its original value. D) It will stay the same. Show Answer Correct Answer: A) It will be tripled. 3. If a book weighs 5000 grams, how many kilograms does it weigh? A) 0.5 kg. B) 5kg. C) 50 kg. D) 500 kg. Show Answer Correct Answer: B) 5kg. 4. A pulley that is attached to a structure A) Inclined plane. B) Fixed pulley. C) Load. D) Spring scale. Show Answer Correct Answer: B) Fixed pulley. 5. Isaac Newton's First Law of Motion also states that a body in motion continues to move at a constant ..... in a straight line unless acted upon by an external force. A) Speed. B) Inertia. C) Curve. D) Stationary. Show Answer Correct Answer: A) Speed. 6. Which of the following measurements is not expressed in standard unit? A) 12 hours. B) 12 feet. C) 12 pounds. D) 12 Kelvin. Show Answer Correct Answer: D) 12 Kelvin. 7. Which of the following is the formula for finding how fast did the object travel? A) Speed=d/t. B) Speed=t/d. C) Speed=t x d. D) Speed=d x t. Show Answer Correct Answer: A) Speed=d/t. 8. The ability of an object to store electric charge A) Capacitors. B) Capacitance. C) Capacitance in Parallel. D) Capacitance in Series. Show Answer Correct Answer: B) Capacitance. 9. Which of the following is the best description of kinetic energy? A) Energy of position. B) Energy of motion. C) Ability to do work. D) None of above. Show Answer Correct Answer: B) Energy of motion. 10. What is projectile motion? A) Motion of the force exerted to an object. B) Motion of the force present in an object. C) Motion of an object thrown into the air. D) Object thrown at the earth's surface. Show Answer Correct Answer: C) Motion of an object thrown into the air. 11. You drive 6.0 km at 50 km/h and then another 6.0 km at 90 km/h. Your average speed over the 12 km drive will be A) Greater than 70 km/h. B) Equal to 70 km/h. C) Less than 70 km/h. D) Exactly 38 km/h. Show Answer Correct Answer: C) Less than 70 km/h. 12. What is 7.5 millimeters expressed in centimeters? A) 0.075 cm. B) 7.5 cm. C) 0.75 cm. D) 75 cm. Show Answer Correct Answer: C) 0.75 cm. 13. If two forces 20 N towards North and 12 N towards South are acting on an object. What will be the resultant force? A) 32 N North. B) 20 N South. C) 32 N South. D) 8 N North. Show Answer Correct Answer: C) 32 N South. 14. Which of the following is a unit for acceleration? A) Km/s. B) M/s2. C) Mi/hr. D) None of above. Show Answer Correct Answer: B) M/s2. 15. A student wishes to convert from cm to m. To do this they need to move the decimal point A) 3 spaces to the right. B) 3 spaces to the left. C) 2 spaces to the right. D) 2 spaces to the left. Show Answer Correct Answer: D) 2 spaces to the left. 16. Which of the following is the most effective conductor? A) Iron. B) Water. C) Wood. D) Oil. Show Answer Correct Answer: A) Iron. 17. Which of the following shows a non-uniform circular motion? A) Earth's revolution around the sun. B) An ice skater skating in a circular path with constant speed. C) A satellite moving in outer space orbiting the Earth. D) A car rounding a curve with constant radius and speed. Show Answer Correct Answer: A) Earth's revolution around the sun. 18. It is the failure of an insulating material to prevent the flow of current under an applied electrical stress. A) Dielectric breakdown. B) Capacitance breakdown. C) Terminal voltage. D) Dielectric Strength. Show Answer Correct Answer: A) Dielectric breakdown. 19. A rectangular gymnasium is 50 m long, 25 m wide and 8.0 m high. The density of air is 1.2 kg / m3 . What is the best estimate of the mass of air in the gymnasium? A) 0.00012 kg. B) 100 kg. C) 8300 kg. D) 12 000kg. Show Answer Correct Answer: D) 12 000kg. 20. UNIT OF ENERGY IS A) JOULE. B) NEWTON. C) KELVIN. D) NOTHING. Show Answer Correct Answer: A) JOULE. ← PreviousNext →Related QuizzesScience QuizzesPhysics Quiz 1Physics Quiz 2Physics Quiz 3Physics Quiz 4Physics Quiz 6Physics Quiz 7Physics Quiz 8Physics Quiz 9Physics Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books