Ohne Titel

Folie 1

• Part A: Multiple Choice Questions
• 1) ( DOK 1 ) Which of the following quantities is a vector?
• Speed
• Velocity
• 2) ( DOK 1 ) A bus moves at a constant speed of 20 m/s for 5 seconds. What distance does it travel?
• 50 m
• 100 m
• 3) ( DOK 1 ) The slope of position–time graph represents:
• Acceleration
• Velocity or speed
• 4) ( DOK 1 ) Based on the particles diagram describe the motion of the object:
• At rest
• Speeding up
• 5) ( DOK 1 ) The rate at which an object's velocity changes is its:
• Acceleration
• Displacement
• 6) ( DOK 1 ) A car travels 60 km in 1 hour. Its average speed is:
• 30 km/h
• 60 km/h
• 7) ( DOK 2 ) A car travels 150 km in 3 hours and then 90 km in 2 hours. What is its average speed for the whole trip?
• 48 km/h
• 60 km/h
• 8) ( DOK 2 ) A student walks 12 m east, then 5 m west, all in 10 s. What is the student’s average velocity?
• 0.7 m/s east
• 1.7 m/s west
• 9) ( DOK 2 ) A cyclist rides 12 km along Sheikh Zayed Road in 0.5 h. What is the average speed?
• 0.4 m/s
• 24 m/s
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• 10) ( DOK 2 ) Use the graph to find the mouse’s velocity from 0–15 s
• 30 m/s
• 2.0 m/s
• Part B: (DOK 2) Fill in the blank using the words below (……/5)
• direction
• distance
• position
• vector
• displacement
• 1) Speed is defined as the ____________________ traveled per unit of time.
• 2) Displacement is a ______________ quantity, meaning it has both magnitude and direction.
• 3) Velocity is the speed of an object in a given _______________.
• 4) Motion is a change in ________________ of an object with respect to time.
• 5) The shortest path between two points is called __________________.
• Part c : (DOK 1) True or False (…../5)
• 1) Velocity is the same as speed; it does not need direction. …………………….
• 2) Acceleration is the rate of change of velocity……………………………………
• 3) Displacement is always equal to distance……………………………………….
• 4) The slope of a distance–time graph gives speed……………………………….
• 5) The SI unit of velocity is kilogram (kg)…………………………………………….
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