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- 1. Multiple Choice
The average speed of a car is 35 km/h. How far can it travel in 45 minutes?
129 km
467 km
0.78 km
26.25 km
- 2. Multiple Choice
Anna rides her bike toward ice cream shops which is 8 km away from her house, this journey takes time about 3 hours. After she gets ice cream, she starts riding toward Mary's house which 2 km away from ice cream shop, and its journey takes another 1 hour. What is the average speed of Anna's entire journey?
- 3. Multiple Choice
This distance-time graph represents the motion of the man walking at the straight path. At what interval of time the man moves forward with constant speed?
- 4. Multiple Choice
Look at distance - time graph of man walking at the straight path. At interval of 5 s - 15 s the man . . .
moves forward with constant velocity
moves backward with constant velocity
does not move
moves backward with constant acceleration
- 5. Multiple Choice
The movement of an object is recorded at this following distance-time graph. When does the object move backward?
at 0 - 1 s
at 2 - 4 s
at 4 - 8 s
all the time
- 6. Multiple Choice
The motion of four reptiles: Comodo dragon, Black mamba, Six-lined racerunner and Costa rican spiny-tailed Iguana are recorded in the distance-time graph (figure 1), each colored-line shows the motion of each reptile. According to the graph, what is the slowest reptile?
Black mamba
Comodo dragon
Six-lined racerunner
Costa rican spiny-tailed iguana
- 7. Multiple Choice
What action of these following probably involving contact force?
negative electric charge attract to positive electric charge
gravitational force pulls fallen leaves
stretching a rubber band
attracting iron nail by a magnet
- 8. Multiple Choice
what is the name of force acts on the object shown by letter B?
tension
friction
gravitational force
normal force
- 9. Multiple Choice
The following picture shows a boy who sliding down the ice hill on his board. There are three forces act the board represented by letter a, b and c. Which force is called the normal force?
a
b
c
a and b
- 10. Multiple Choice
Look at the picture. The initial position of the spring is labelled by A and the condition when it is stretched is laballed by B. What is the direction of the spring force?
It directs to the right
It directs to the left
It is pointing upward
It is pointing downward
- 11. Multiple Choice
Two forces act to a cart as shown, what is the resultant force that act on the toy?
20 N to the left
20 N to the right
130 N to the left
130 N to the right
- 12. Multiple Choice
Two forces exert on a cart as shown, if the mass of the cart is 5 kg, what is the acceleration of the cart?
- 13. Multiple Choice
The Newton first Law state that if there is no net force act the object, the object will ______
remain at rest
remain at rest or moves with constant speed
be accelerated
moves with constant speed
- 14. Multiple Choice
Look at the table. The correct action and reaction pair is shown by no. ______
All the number correct
1 and 2
2 and 4
only no. 2
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