1) A car travels 120km in 6 hours. What is the average speed of the car (in km/h)? a) 20 b) 20km/h c) 0.05km.h d) 720km/h 2) A skater increases her speed from 2.0m/s to 10.0m/s in 3.0s. What is the skater’s acceleration? a) 2.67m/s2 b) 4m/s2 c) 24m/s2 d) 36m/s2 3) Ms Smith pushes a box with a mass of 2.0kg; in turn, the box accelerates 2.0m/s2. How much force did Ms Smith apply to the box? a) 1N b) 4N 4) A man rides his bike for 3 hours at 20km/h. How far did he travel (in km)? a) 0.15km b) 6.67km c) 60km 5) A train moves from rest to a speed of 25m/s in 30s. What is its acceleration? a) 0.83m/s2 b) 0.03m/s2 c) 750m/s2 6) How long would it take a horse to run 4000m at a speed of 4km/h? a) 1000h b) 0.001h c) 1h 7) How long will it take a car to accelerate from 15.2m/s to 23.5m/s if the car has an average acceleration of 3.2m/s2? a) 2.59s b) 12.09s c) 25.14s d) 26.56s 8) An object with a mass of 2.0kg has a force of 4.0N applied to it. Calculate the acceleration of the object. a) 8m/s2 b) 2m/s2 c) 0.5m/s2 9) Acceleration is measured in: a) seconds b) metres c) m/s d) m/s2 10) The following equation describes Newton's Second Law of Motion: a) s = d / t b) a = (v - u) / t c) F = ma 11) The unit of measurement for Force is: a) metres b) km c) N d) s 12) Newton's Third Law of Motion states: a) An object will remain in motion unless acted on by an external force b) The mass of an object affects the way that it moves when acted upon by a force c) For every action there is an equal and opposite reaction d) Energy is neither created nor destroyed

Motion Review

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