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QUIZ

9th

grade

64%

accuracy

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Andreas Lambrias

3 years

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50 questions

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- 1. Multiple Choice1 minute1 ptName the missing force....weight forcenormal forcefrictional forcetension force
- 2. Multiple Choice1 minute1 pt
Name the missing force...

upthrust (buoyant) force

normal force

weight force

frictional force

- 3. Multiple Choice1 minute1 pt
Name the missing force...

tension force

weight force

normal force

buoyant force

- 4. Multiple Choice1 minute1 ptName the missing force...tension forcefrictional forcenormal forcespring force
- 5. Multiple Choice1 minute1 ptName the missing force...frictional forceweight forcethrustbuoyant force
- 6. Multiple Choice1 minute1 ptName the missing force...thrustfrictional forcenormal forceweight force
- 7. Multiple Choice1 minute1 ptName the missing force...weight forcenormal forcebuoyant forceapplied force
- 8. Multiple Choice1 minute1 ptName the missing force...normal forceapplied forcefrictional forcetension force
- 9. Multiple Choice1 minute1 ptName the missing force...tension forcegravitational forcenormal forceapplied force
- 10. Multiple Choice1 minute1 ptName the missing force...weight forcenormal forceapplied forcefrictional force
- 11. Multiple Choice1 minute1 pt
What is the NET FORCE of this diagram?

17 N, right

17 N, left

23 N, right

12 N, up

- 12. Multiple Choice1 minute1 ptWhich one is balanced?topbottomboth
- 13. Multiple Choice1 minute1 ptIs it BALANCED?YesNo
- 14. Multiple Choice1 minute1 ptWhat is the net force?17 N Right3 N Right3 N Left17 N Left
- 15. Multiple Choice1 minute1 pt
When determining the NET force on an object you should (TWO correct answers)

subtract forces in opposite directions

add forces in the same direction

divide by velocity

multiply by acceleration

- 16. Multiple Choice1 minute1 pt
A force has both strength and _____.

power

direction

color

balance

- 17. Multiple Choice1 minute1 ptWhat is the unit of force?KilogramMeterPascalNewton
- 18. Multiple Choice1 minute1 pt
The total amount of forces acting on an object is called...

Contact Force

Balanced Force

Unbalanced Force

Resultant (Net) Force

- 19. Multiple Choice1 minute1 ptWhen an object has a net for that is GREATER than 0 Newtons, the object is...balanced and stillbalanced and moving at a constant speedunbalanced and acceleratingunbalanced and still
- 20. Multiple Choice1 minute1 ptWhat is the formula to calculate speed?S = t/dS = d/tS = d x tS = t x d
- 21. Multiple Choice1 minute1 pt
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

10 m/s

1000 m/s

100 seconds

10 seconds

- 22. Multiple Choice1 minute1 ptDave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?400 minutes100 minutes100 seconds.25 seconds
- 23. Multiple Choice1 minute1 ptWhich of the following is a unit of time?secmim/skm
- 24. Multiple Choice1 minute1 ptWhich of the following is a unit of speed ?secmim/smin
- 25. Multiple Choice1 minute1 ptWhich of the following is a unit of distance ?miles/hrhrkmmin
- 26. Multiple Choice1 minute1 ptWhich of the following is a unit of speed?km/hrhrkms
- 27. Multiple Choice1 minute1 ptReese rides her bike 10 miles in 5 hours.

Avery rides her bike 15 miles in 5 hours. Which girl rides her bike faster?ReeseAvery - 28. Multiple Choice1 minute1 pt
At 60 seconds, how far had this object traveled?

0 m

10 m

20 m

40 m

- 29. Multiple Choice1 minute1 pt
How long did Bob take to complete the race?

17 seconds

12 seconds

14 seconds

15 seconds

- 30. Multiple Choice1 minute1 ptWhere is the object not movingA-BO-AC-DB-C
- 31. Multiple Choice1 minute1 pt
What is this graph showing?

Constantly slowing down

Constantly speeding up

Acceleration

Returning to starting point

- 32. Multiple Choice1 minute1 pt
What is this graph showing?

Fast constant speed

Slow constant speed

At rest

Accelerating

- 33. Multiple Choice1 minute1 pt
What is this graph showing?

At rest

Acceleration

Constant speed of 1 m/s

Gradually speeding up

- 34. Multiple Choice1 minute1 pt
What is this graph showing?

Fast constant speed

Slow constant speed

Accelerating

At rest

- 35. Multiple Choice1 minute1 pt
What is the graph showing?

Speeding up moving away from start

Speeding up moving towards start

Slowing down moving towards start

Slowing down moving away from start

- 36. Multiple Choice1 minute1 pt
What is the graph showing?

Constant speed away from start

Constant speed toward start

Accelerating away from start

Stopped toward start

- 37. Multiple Choice1 minute1 ptWhat is the anticlockwise moment acting on this crane?80,000Nm100,000Nm120,000Nm140,000Nm
- 38. Multiple Choice1 minute1 ptWhat is the moment acting on the seesaw?1.6Nm15Nm16N4Nm
- 39. Multiple Choice1 minute1 ptWhat is the moment produced by the 15 N?15 Nm (clockwise)150 Nm (anti - clockwise)1.5 Nm (anti - clockwise)0.15 Nm (clockwise)
- 40. Multiple Choice1 minute1 ptThe easiest way to open a heavy door is by applying the forceNear the hingesIn the middle of the doorAt the edge of the door far from the hingesAt the top of the door
- 41. Multiple Choice1 minute1 pt
A nut can be loosened more easily with

a short spanner because a larger turning effect can be produced.

a long spanner because a larger turning effect can be produced.

a long spanner because a larger force can be produced.

a short spanner because a larger force can be produced.

- 42. Multiple Choice1 minute1 pt
The figure below shows a man lifting a heavy rock using a steel bar. He pushes downwards on the end of the bar with a force F.

Which pivot positions allows the force F to be as small as possible?

A

B

C

D

- 43. Multiple Choice1 minute1 pt
What to we call forces applied to anything that turns?

Minute

Moment

Minimum

Monument

- 44. Multiple Choice1 minute1 ptHow does friction affect speed?more friction decreases speedmore friction increases speedless friction decreases speed
- 45. Multiple Choice1 minute1 ptThe rougher the surface, the faster an object will travel over the surface.TrueFalse
- 46. Multiple Choice1 minute1 ptFriction is a force that acts in an ___________ direction of movement.similaroppositeparallelwest
- 47. Multiple Choice1 minute1 ptRougher surfaces have ...greater frictionless frictionthe same level of friction
- 48. Multiple Choice1 minute1 pt
Which two of these forces act on parachutes?

Air Resistance

Weight

Thrust

Kinetic Energy

- 49. Multiple Choice1 minute1 pt
What causes an object to fall faster?

Smaller surface area

Larger surface area

If it has a parachute

If it is softer

- 50. Multiple Choice1 minute1 pt
Air resistance pushes against falling

objects and __________________.

Speeds them up

Keeps them afloat

Slows them down

Spins them

- Answer choicesTagsAnswer choicesTags
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