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- 1. Multiple Choice
Without a force to stop or slow a coasting object, the object will coast forever in a ______ line.
blue
red
straight
vertical
curved
- 2. Multiple Choice
Newton's 1st Law is also called the Law of ...
Friction
Inertia
Unbalanced forces
Newtons
- 3. Fill in the Blank
An object in motion tends to stay in motion unless an ___ force acts on it.
- 4. Multiple Choice
Why is the net force 0 in the image?Because the elephants are the same sizeBecause they are both pulling the same amount of force in opposite directionsBecause they are elephantsBecause they are pulling away from each other. - 5. Multiple Choice
An automobile you are riding in suddenly stops, but you continue to go forward. This is an example of ...
Newton's
1st
Law of Motion
Newton's
2nd
Law of Motion
Newton's
3rd
Law of Motion
- 6. Multiple Choice
Which type of force(s) will always cause a change in an object's motion?
gravity
zero net force
balanced forces
unbalanced forces
friction
- 7. Multiple Choice
What is the net force of this object?
10 N, no direction
10 N left
5 N right
0 N no direction
10 N right
- 8. Multiple ChoiceWhat is the net force?65 N left65 N right35 N left35 N right
- 9. Multiple ChoiceWhat is the net force?4.2 N left4.2 N right2.2 N left2.2 N right
- 10. Multiple Choicefriction is a force that actsin the same direction as the motionopposite to the direction of the motionopposite to the applied forcesthe same direction as the applied force
- 11. Multiple ChoiceRadio waves are received at a house at the bottom of a hill.
The waves reach the house because the hill has caused them to bediffracted.radiated.reflected.refracted. - 12. Multiple Choice
What property of waves does this illustrate?
reflection
refraction
interference
diffraction
polarization
- 13. Multiple Choice
Which properties of waves is this?
refraction
diffraction
interference
reflection
rarefaction
- 14. Multiple Choice
What kind of property of waves is shown here?
refraction
rarefaction
diffraction
interference
reflection
- 15. Multiple Choice
What's happening at A?
Two crests are combining to create constructive interference.
A crest and a trough are combining to create destructive interference.
Two crests are combining to create destructive interference.
A crest and trough are combining to create constructive interference.
- 16. Multiple Choice
This skydiver is moving down at a constant velocity of around 25m/s. What is this an illustration of?
Newton's first law
Newton's second law
Newton's third law
Newton's fourth law
- 17. Multiple Choice
This 4kg skydiver cat is moving down at a terminal velocity of around 25m/s. Which of the following correctly explains the comparison between the air resistance and the weight.
The air resistance cancels out the weight so the cat is still
The air resistance cancels out the weight so the cat is moving at a constant velocity.
The weight is greater than the air resistance so the cat moves down.
The air resistance is greater than the weight so it keeps the cat up.
- 18. Multiple Choice
This 4kg skydiver cat is falling through the air. Its weight is 40N and its air resistance is 32N. What is the acceleration of the cat?
1 m/s2
2 m/s2
8 m/s2
10 m/s2
- 19. Multiple Choice
For a car moving around a circle at a constant speed, which of the following are true?
the velocity is constant
the forces are balanced
the car is accelerating
This is an example of Newton's 1st Law.
This is an example of Newton's 2nd Law
- 20. Fill in the Blank
In a longitudinal wave, the oscillations of the particles in the medium are _______________ to the direction of the wave motion.
- 21. Multiple Choice
What is the distance travelled in section B?
10m
20m
15m
150m
75m
- 22. Multiple Choice
This 4kg skydiver cat is accelerating down. Select the answers which correctly explains Newton's third law of motion
The air pushes up on the cat, the cat pushes down on the air.
The earths (gravity) pulls the cat down, the cat's gravity pulls the earth up.
The earth's gravity pulls the cat down, the air resistance pushes the cat up.
The cat pushes down on the air, the cat pulls up on the earth (gravitational force)
Newton's third law is not obeyed here as the cat is accelerating. (the weight is greater than the air resistance)
- 23. Multiple Choice
Tick the following which adequately define acceleration.
Change of velocity divided by time taken
Change of velocity
How much the velocity changes in a period of time
Rate of change of velocity
- 24. Multiple Choice
A boat uses sonar to detect the depth of the water. A 500Hz signal is emitted and the echo is heard 4 seconds afterwards. Sound travels at 1500 m/s. How deep is the water?
3000 m
6000 m
3m
150m
2000m
- Answer choicesTagsAnswer choicesTags