Year 10 Physics Practice Test 1

The questions in your test are set out below. You do not lose marks for wrong answers. Once you have completed the test, click Submit.

Your First Name:
Your Last Name:

1. A car driver looks down at the speedometer. What he sees will give him an indication of:
 
A) acceleration;
B) average speed;
C) instantaneous speed;
D) average acceleration;
E) None of the above.

2. The military is tracking an inbound missile and has reported that it is travelling north, northwest at 620 km/hr. We have been told the missile's:
 
A) displacement;
B) instantaneous speed;
C) velocity;
D) average speed;
E) acceleration.

3. A missile travels 90 km in the first 10 minutes. It then takes takes 20 minutes to travel 200 km. This is an example of:
 
A) acceleration;
B) deceleration;
C) velocity;
D) instantaneous speed;
E) average speed.

4. Which one comment is true as the rocket stands on the launch pad ready for launch?
 
A) Drag and gravity are acting on the rocket.
B) Thrust and gravity are acting on the rocket.
C) The force of gravity is acting on the rocket.
D) Thrust and drag are acting on the rocket.
E) Drag is acting on the rocket.

5. Which one comment below is true as the Space Shuttle accelerates skyward?
 
A) The force of drag equals the force of gravity at all times during the flight.
B) The force of gravity and thrust are equal in magnitude and act in opposite directions.
C) The force of drag is reducing in magnitude (strength) as the Shuttle increases speed.
D) The forced of thrust is significantly greater than the force of gravity acting on the Shuttle.
E) The three forces drag, thrust and gravity are equal.

6. Which one of the following forces acts to cause the hot air balloon to rise?
 
A) Buoyancy
B) Drag
C) Thrust created by the flames from the burner
D) Lift due to fast moving air flowing over the curved surface of the balloon.
E) None of the above forces act on the hot air balloon.

7. A boat floats on the water. Which one statement about this boat is correct?
 
A) The boat is made of high density metal.
B) The upthrust exerted by the water is less than the weight of the boat.
C) The boat is made of low density metal.
D) The upthrust exerted by the water is greater than the weight of the boat.
E) The boat displaces a weight of water equal to its own weight.

8. A net force of 10. newtons accelerates an object at 5.0 meters per second2. What net force would be required to accelerate the same object at 1.0 meter per second2?
 
A) 10.0 N
B) 5.0 N
C) 1.0 N
D) 2.0 N
E) 3.0 N

9. Consider the video of the rocket launch. Which statement below is correct?
 
A) The thrust force generated by the rocket engines is equal and acts in the same direction to the force of gravity acting on the rocket.
B) The thrust force generated by the rocket engines is equal and acts in the opposite direction to the force of gravity acting on the rocket.
C) The thrust force generated by the rocket engines is greater and acts in the opposite direction to the force of gravity acting on the rocket.
D) There are no forces acting on the rocket while it is seating on the launch platform just before the engines ignite.
E) All of the statements above are true.

10. Consider the launch of a model rocket as shown on the right. Which statement below is true?
 
A) The rocket's speed never changes as it travels from point A to C.
B) The speed of the rocket increases from point B to C.
C) When the parachute opens the rocket accelerates towards the ground.
D) The rocket continues to accelerate from point B to C
E) The rocket accelerates only between point A to B.

11. Consider the velocity vs time graph, shown on the right, of a plane as it travels away from its point of take-off. Which comment is true?
 
A) There are no forces acting on the plane at any time during its flight.
B) There is no net force acting on the plane between 1 and 3 seconds into the flight.
C) There is a net force acting on the plane between 4 and 7 seconds into the flight.
D) There is always a variable, net force acting on the plane during its flight.
E) Gravitational force is not acting on the plane between 4 and 7 seconds into the flight.

12. Consider the magnetic levitation toy on the right. What can you say about the forces acting on the rotating globe.
 
A) Non-contact and balanced.
B) Contact and unbalanced.
C) Non-contact and unbalanced.
D) Contact and balanced.
E) None of the above.

13. Gravity is the force that acts to pull objects to the ground. Look at the image on the right. It represents the speed vs time graph of a model rocket as it ascends skyward. At what point on the graph is gravity acting on the rocket?
 
A) Only region "A" clearly shows gravity acting on the rocket.
B) Only region "B" clearly shows gravity acting on the rocket.
C) Only region "C" clearly shows gravity acting on the rocket.
D) Only region "D" clearly shows gravity acting on the rocket.
E) Gravity is acting on the rocket at all times during its flight. None of the above are correct.

14. When an object undergoes acceleration:
 
A) its speed always increases,
B) its velocity always increases,
C) it always falls towards the Earth,
D) a force always acts on it,
E) its speed increases but its velocity stays the same.

15. One Newton = ________
 
A) 1 Kg2m/s/s
B) 1 Kgm/s2/s2
C) 1 Kgm/s/s2
D) 1 Kgm/s
E) 1 Kgm/s/s

16. Consider the rocket shown on the right. It is obvious that a force is acting on the rocket because:
 
A) it changes colour,
B) it glows with the heat of the exhaust gases,
C) it changes shape,
D) it changes speed,
E) it changes direction.

17. The velocity-time graph of a model rocket is shown on the right. If the rocket travels vertically skyward at what point on the graph does the parachute deploy?
 
A) A
B) B
C) C
D) D
E) According to the graph the parachute is never deployed.

18. An ant crawls from the centre of a circle in a straight line to the egde. It then crawls along the perimeter of the circle as shown in the animation on the right.
Which one of the graphs shown best represents the displacement-time graph?
 
A) Graph "A"
B) Graph "B"
C) Graph "C"
D) Graph "D"
E) None of the graphs accurately describe the displacement of the ant over time.

19. A hiker takes the path shown on the animation on the right.
What is the displacement of the hiker at the end of her journey?
 
A) 110.7m
B) 40m
C) 72.1m North-East
D) 100m North - East
E) 60m East

20. A tram sets off from the depot and travels due north for 10km. It then reverses for 6 km where upon it starts to move due north again for a further 12km.
What is the displacement of the tram?
 
A) 28km
B) 6km
C) 10km
D) 12km
E) 16km

(c) Dynamic Science