Grade 8 · Science · Forces and motion | QuizPrint

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Grade 8 Science: Forces and motion QuizPrint.CA Ontario · Matter and Energy — investigate forces, motion, energy, and simple machines NameDateScore 1. What is Newton's First Law of Motion? 2. What is the net force on a 9 kg object that accelerates at 6 m/s²? 3. What is Newton's Third Law of Motion? 4. A car travels 132 km in 4 hours at a steady speed. What is its average speed? 5. What is the SI unit of force? 6. What is Newton's Second Law of Motion? 7. What is the net force on a 3 kg object that accelerates at 2 m/s²? 8. What are the six types of simple machines? 9. A car travels 48 km in 2 hours at a steady speed. What is its average speed? 10. What is the formula for calculating speed? Sign in to manage students and save worksheet results. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource. Answer key Grade 8 Science: Forces and motion Ontario · Matter and Energy — investigate forces, motion, energy, and simple machines Question numbers match the worksheet. 1.D) an object keeps its motion unless an unbalanced force acts on it 2.B) 54 N 3.A) every action force has an equal and opposite reaction force 4.D) 33 km/h 5.D) the newton 6.B) force equals mass times acceleration 7.C) 6 N 8.A) lever, pulley, wheel and axle, inclined plane, wedge, and screw 9.D) 24 km/h 10.B) speed = distance ÷ time Keep this page if you are printing for a child. Fresh practice from quizprint.ca. Unofficial practice — not a ministry test or resource.

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