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- 1. Multiple Choice
What are the 3 forces
push
squash
twist
pull
- 2. Multiple Choice
True or False: Can you see a force?
False
True
- 3. Multiple Choice
When a force is exerted on an object, it can change the objects:
magnetism, electricity
fly, deforms, gravity
speed, direction of movement
- 4. Multiple Choice
A force meter is also called a
newtonmeter
newton
meter
balance meter
- 5. Multiple Choice
Contact forces include
friction & air resistance
gravity & friction
water & air resistance
electricity & magnetism
- 6. Multiple Choice
which is greater
1N
100N
- 7. Multiple Choice
what is mass measure in
kg
GB
cm
M
- 8. Multiple Choice
Fill in the blank : Forces can be measured using a spring balance, also called a _________.
newton meter
newtonmeter
newto nmeter
new ton m e t e r
- 9. Multiple Choice
Which is greater
1N
10N
100N
- 10. Multiple Choice
What is the answer for this resultant force? 100-60
4000N
400N
40N
4N
- 11. Multiple Choice
What does it mean if the arrow is bigger
the force is smaller
The force is bigger
the arrow is bigger
the force is frozen
- 12. Multiple Choice
if the forces are balanced, the resultant force is what?
0
2
4
784
- 13. Multiple Choice
What is the force that brings the person back up?
extension force
reaction force
tension force
running force
- 14. Multiple Choice
How to calculate moments
M = Force x distance
F = Moment
Moment = N x m
M = Ome x nt
- 15. Multiple Choice
A solid beam 0.5 m long is laid across a plot to form a simple lever. The pivot is 0.1 from the end of the beam. Calculate the heaviest load that could be lifted using a force of 500N
Calculate the greatest distance from the pivot: 0.5-0.1 = 0.4
What is the answer to this question
2000 Nm (heaviest load is 1)
2 Nm (heaviest load is 23789)
200 Nm (Heaviest load is 2000)
2,000,000 Nm (Heaviest load is 5)
- 16. Multiple Choice
Calculate the moment: 20N x 20cm
You must convert 20cm to meters which is 0.2. Then you multiply 20 newtons by 0.2 meters. The answer is 4.
You must convert 20cm to meters which is 0.2. Then you multiply 20 newtons by 0.2 meters. The answer is 40.
You must convert 20cm to meters which is 20. Then you multiply 20 newtons by 20 meters. The answer is 4000.
You must convert 0.2cm to meters which is 0.2. Then you multiply 20 newtons by 0.2 meters. The answer is 2.
- 17. Multiple Choice
If you're on the seesaw and one side of the seesaw is 20N x 0.3m and the other side of the seesaw is 40N x 0.8m . Which side is going to turn clockwise?
20N x 0.3m
2N x 20N
40N x 0.8m
40N x 0.3m
- 18. Multiple Choice
What is this?
Anti-Clockwise
Clockwise
- 19. Multiple Choice
What is this?
Anti-Clockwise
Clockwise
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