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Physics, Science
10th -
11thgrade
StJ AQA Physics Yr10: Forces in Action Revision. Lesson 1
18 questions
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- 1. Multiple Choice
What is the difference between vector and scalar measurements?
Scalar is measured in Newtons, vector is measured in Grams
Scalar is magnitude, vector is direction
Scalar is magnitude, vector is magnitude and direction
Scalar is a bigger measurement than vector
- 2. Multiple Choice
What is the definition of distance?
A scalar measurement of how much ground an object has covered during its motion
A vector measurement in a straight line with reference to a specific point.
- 3. Multiple Choice
What is the definition of displacement?
A vector measurement in a straight line with reference to a specific point
A scalar measurement of how much ground an object has covered during its motion
- 4. Multiple Choice
What is the unit of force?
Newton (n)
Newton (N)
Neutron (N)
- 5. Multiple Choice
True or False?
Resultant force is the difference between two opposite forces acting on an object or the total of forces acting in the same direction?
True
False
- 6. Multiple Choice
The arrows in this diagram represent the sizes of forces acting on a stationary tennis ball. What will happen to the tennis ball?
It will stay still
It will start to move upwards
It will start to move downwards
- 7. Multiple Choice
Forces can be:
Pulls only
Pushes only
Pulls and pushes
- 8. Multiple Choice
From your notes...
Calculate the resultant force for the horizontal forces.
(You have 2mins for this question)
12.5N to the east
2.25N to the north
11.5
11.5N to the east
- 9. Multiple Choice
From your notes...
Calculate the resultant force for the vertical forces.
(you have 2 mins to answer this question)
11.5N to the south
9.75N to the east
3.6269N to the north
3.6269N to the south
- 10. Multiple Choice
According to Newton's first law of motion, unless a resultant force acting on an object is above zero, a stationary object will...
Stay stationary
Move north only
Move south only
Will move slowly
- 11. Multiple Choice
According to Newton's 2nd law of motion which two sentences are correct?
Choose two answers
Acceleration is proportional to the resultant force on the object
Acceleration is inversely proportional to the resultant force on the object
Acceleration is inversely proportional to the mass of the object
Acceleration is proportional to the mass of the object
- 12. Multiple Choice
Which equation best describes Newton's 2nd law of motion?
A = Fm
m-Fa
F=ma
F=m/a
- 13. Multiple Choice
According the Newton's 3rd law of motion 'every action has an equal and opposite reaction'.
This means...
When two forces act on an object they are always the same
When two objects interact, they exert equal and opposite forces on each other
Whatever you do to someone else they can do to you
- 14. Multiple Choice
If the tug of war is even what force will be on person B?
Rope pulls 100N east and floor pushes 100N north
200N to the east
Rope pulls 100N west and floor pushes 100N east
0N (zero resultant force)
- 15. Multiple Choice
If person B is going to win the tug of war, what has to happen to the forces on person A?
Person B must exert a greater horizontal force (than 100N)
Person B must exert a greater vertical force (than 100N)
- 16. Multiple Choice
What is being done in this image?
Origami
Folding different types of filter paper
Finding the centre of mass
Making hats
- 17. Multiple Choice
What is the weighted string called used to find the centre of mass of an irregular shape?
Plumb line
Peach line
Pear line
Prune line
- 18. Multiple Choice
Which is the best way to measure a force?
With a metre ruler
With a Newton metre
With a speedometer
With a thermometer
- Answer choicesTagsAnswer choicesTags