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P9 Motion
1.
Which of the following statements is true?
a) Distance is a scalar quantity and displacement is a vector quantity.
b) Distance and displacement are scalar quantities.
c) Distance and displacement are vector quantities.
d) Distance is a vector quantity and displacement is a scalar quantity.
2.
Which of the following is the best definition of distance?
a) How far an object moves.
b) The time to travel from one place to another.
c) The length of a journey.
d) The distance an object moves, measured in a straight line and the direction of the line.
3.
Which of the following is the best definition of displacement?
a) How far an object moves.
b) The time to travel from one place to another in a straight line.
c) The distance an object moves, measured in a straight line and the direction of the line.
d) The distance and direction an object moves.
4.
Which of the following is not a unit of distance?
a) Nm
b) m
c) mm
d) km
5.
Which of the following is not a unit of displacement?
a) m
b) cm
c) m/s
d) km
6.
Which of the following is a vector quantity?
a) distance
b) displacement
c) length
d) height
7.
Which of the following is a scalar quantity?
a) speed
b) velocity
c) acceleration
d) displacement
8.
Which of these is true?
a) Speed is a scalar quantity so has magnitude and direction.
b) Speed is a scalar quantity so has direction but no magnitude.
c) Speed is a scalar quantity so has magnitude but not direction.
d) Speed is a scalar quantity so does not have magnitude or direction.
9.
What is the speed that a typical person walks at?
a) 3 m/s
b) 6 m/s
c) 9 m/s
d) 1.5 m/s
10.
If someone is travelling at 6 m/s how are they most likely to be travelling?
a) running
b) motorcycling
c) by donkey
d) cycling
11.
Which of the following is a typical value for the speed of sound in air?
a) 33 m/s
b) 3300 m/s
c) 330 m/s
d) 300,000,000 m/s
12.
What is the equation that links speed, distance and time?
a) speed = distance x time
b) speed = distance / time
c) distance = speed / time
d) time = speed / distance
13.
A cat runs 12 m in 4 s. Calculate her speed.
a) 0.33 m/s
b) 3 m/s
c) 16 m/s
d) 6 m/s
14.
How far can a dog with a top speed of 12 m/s cover in 5 s?
a) 12 m
b) 30 m
c) 60 m
d) 2.4 m/s
15.
How long will it take to travel 120 km at a speed of 30 km/h?
a) 4 h
b) 3 h
c) 8 h
d) 2 h
16.
A bird flies 12 km in 40 min followed by 8 km in 20min. Calculate the average speed of the bird.
a) 18 km/h
b) 20 km/h
c) 16 km/h
d) 14 km/h
17.
Which of these is true?
a) Velocity is a vector quantity so has magnitude but no direction.
b) Velocity is a scalar quantity so has direction but no magnitude.
c) Velocity is a vector quantity so has magnitude and direction.
d) Velocity is a vector quantity so does not have magnitude or direction.
18.
Which of the following is not a unit of velocity?
a) m/s
b) h/km
c) km/h
d) mm/week
19.
Which of the following involves an object with constant speed but changing velocity?
a) going back and forth
b) speeding up
c) decelerating
d) going in a circle
20.
On a distance time graph what does the gradient of the line represent?
a) acceleration
b) distance
c) speed
d) time
21.
What is the speed of the object, shown by the distance-time graph, during the first 20 seconds ?
a) 10 m/s
b) 50 m/s
c) 0.2 m/s
d) 5 m/s
22.
How far does the object, shown by the distance-time graph, travel between 20 and 30 seconds?
a) 0 m
b) 10 m
c) 100 m
d) 1000 m
23.
Which is the best description of the motion, shown by the distance-time graph, during the final 30 seconds?
a) decelerating
b) accelerating
c) constant velocity
d) constant speed
24.
What is the total distance travelled by the object during the full 60 seconds shown by the graph?
a) 100 m
b) 60 m
c) 2500 m
d) 250 m
25.
What is the average speed of the object, shown by the distsnce-time graph, during the first 50 seconds?
a) 2 m/s
b) 5 m/s
c) 3 m/s
d) 150 m/s
26.
Which letter indicates the section of the graph with the highest speed?
a) A
b) B
c) C
d) D
27.
Which letter indicates the section of the graph where the speed is zero?
a) A
b) B
c) C
d) D
28.
Which of the graphs show an object that is accelerating?
a) A only
b) B only
c) B and C
d) C only
29.
What is the maximum velocity reached by the object shown on the velocity-time graph?
a) 6 m/s
b) 40 m/s
c) 9 m/s
d) 10 m/s
30.
Calculate the acceleration during the first 5 seconds of the motion shown by the velocity-time graph?
a) 6.0 m/s
2
b) 1.2 m/s
2
c) 5.0 m/s
2
d) 0.83 m/s
2
31.
Calculate the acceleration during the final 10 seconds of the motion shown by the velocity-time graph.
a) -0.9 m/s
2
b) 0.9 m/s
2
c) 9.0 m/s
2
d) -9.0 m/s
2
32.
How far does the object travel between 15 seconds and 30 seconds of the motion shown by the velocity-time graph?
a) 90 m
b) 9 m
c) 150 m
d) 135 m
33.
How far does the object travel during the final 10 seconds of the motion shown by the velocity-time graph?
a) 90 m
b) 135 m
c) 45 m
d) -90 m
34.
Which of the following is the correct equation to calculate acceleration.
a) acceleration = change in velocity / time taken
b) acceleration = velocity / time
c) acceleration = distance / time
d) acceleration = change in speed / time taken
35.
A car accelerates from 4 m/s to 12 m/s over 2 seconds. Calculate the acceleration
a) 2 m/s
2
b) 4 m/s
2
c) 8 m/s
2
d) 16 m/s
2
36.
The acceleration of a van is 3 m/s
2
. How long will it take to reach a velocity of 12 m/s?
a) 36 s
b) 8 s
c) 4 s
d) 15 s
37.
A lorry travelling at 5 m/s accelerates at 2 m/s
2
for 3 seconds. Calculate the final velocity.
a) 7 m/s
b) 11 m/s
c) 8 m/s
d) 9 m/s
38.
What term is use when the acceleration of an object results in it slowing down?
a) braking
b) sloweration
c) de-escalation
d) deceleration
39.
Use the equation v
2
- u
2
= 2as to calculate the distance travelled by a car that goes from rest to 10 m/s with an acceleration of 2 m/s
2
a) 20 m
b) 35 m
c) 25 m
d) 30 m
40.
Use the equation v
2
- u
2
= 2as to calculate the acceleration of a car that goes from rest to 100 m/s whilst travelling a distance of 1000 m.
a) 5 m/s
2
b) 10 m/s
2
c) 50 m/s
2
d) 0.2 m/s
2
41.
What is the acceleration due to gravity near to the Earth’s surface?
a) 8.9 m/s
2
b) 8.8 m/s
2
c) 9.9 m/s
2
d) 9.8 m/s
2
42.
What term is used to describe the maximum velocity reached by an object falling through a gas or liquid?
a) terminal
b) free fall
c) drag coefficient
d) V max
43.
What is the resultant force on an object that has reached this velocity?
a) its weight
b) zero
c) 2x its weight
d) 0.5 x weight
44.
What force(s), in addition to upthrust, act on an object falling through a fluid?
a) weight
b) friction
c) drag
d) weight and drag
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