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3rd Quarter CRT Review - 2. 8.0. 8.1. 9.0. 9.1. ?. ??. 5. 5. 5. 5. 5. 5. 10. 10. 10. 10. 10. 10. 15. 15. 15. 15. 15. 15. 20. 20. 20. 20. 20. 20. 25. 25. 25. 25. 25. 25. ASCOS #8.0 – 5 points. Question

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slide1

3rd Quarter CRT Review - 2

8.0

8.1

9.0

9.1

?

??

5

5

5

5

5

5

10

10

10

10

10

10

15

15

15

15

15

15

20

20

20

20

20

20

25

25

25

25

25

25

slide2

ASCOS #8.0 – 5 points

Question

What factor explains the tendency of all objects to resist any change in motion?

slide3

ASCOS #8.0– 10 points

Question

What type of activity best demonstrates Newton’s third law of motion?

slide4

ASCOS #8.0– 15 points

Question

When the brakes are suddenly applied to a moving vehicle, what causes a person to continue to move forward in his seat?

slide5

ASCOS #8.0– 20 points

Question

Which of Newton’s laws explain inertia?

slide6

ASCOS #8.0– 25 points

Question

Which of Newton’s Laws states that for every action there is an equal and opposite reaction?

slide7

ASCOS #8.1– 5 points

Question

If an astronaut throws a ball in space, when will the ball stop?

slide8

ASCOS #8.1– 10 points

Question

When the driver of a car suddenly makes a sharp turn, why will the passenger slide to the side of the car?

slide9

ASCOS #8.1– 15 points

Question

Use Newton’s second law of motion (F=ma) to calculate the acceleration of a 12 kg mass if a force of 45 N acts on it.

slide10

ASCOS #8.1– 20 points

Question

Use Newton’s second law of motion (F=ma) to calculate the mass of an object when a force of 28 N accelerates the object 3 m/s/s.

slide11

ASCOS #8.1– 25 points

Question

Given the formula, (acceleration = final velocity – starting velocity divided by time), what is the acceleration of the wind if it blows with a velocity of 15 m/s south and five seconds later, the wind’s velocity is 20 m/s south?

slide12

ASCOS #9.0– 5 points

Question

What type of simple machine is a jar lid?

slide13

ASCOS #9.0– 10 points

Question

Two bicycles ramps have the same height. The first ramp is twice as long as the second ramp. Why does the first ramp have a better mechanical advantage?

slide14

ASCOS #9.0– 15 points

Question

What type of simple machine is an inclined plane with one or two slanting sides?

slide15

ASCOS #9.0– 20 points

Question

When a machine increases the size of the force exerted, what happens to the distance through which the force is exerted?

slide16

ASCOS #9.0– 25 points

Question

To open a bottle, Mary applies a force of 90 N to the bottle opener. The bottle opener applies a force of 225 N to the bottle cap. What is the mechanical advantage of the bottle opener?

slide17

ASCOS #9.1– 5 points

Question

A syringe with air is stoppered. It is then pushed in. What can be said of the original air pressure as compared to the final air pressure?

slide18

ASCOS #9.1– 10 points

Question

What is the density of a 50 cm3 sample of liquid with a mass of 300 g? (D=m/v)

slide19

ASCOS #9.1– 15 points

Question

What is the pressure exerted on the floor by a 5,000 N crate with an area of 10 m2? (Pa=F/a)

slide20

ASCOS #9.1– 20 points

Question

What is the SI unit for pressure?

slide21

ASCOS #9.1– 25 points

Question

What is the weight of a rock with an area of 10m2 that exerts a pressure of 250 Pa in correct SI units? (Pa=F/a)

slide22

ASCOS #10.0– 5 points

Question

What is the SI unit for energy?

slide23

ASCOS #9.1– 10 points

Question

What volume of fluid does an object displace?

slide24

ASCOS #9.1– 15 points

Question

What would happen if astronauts, who wear pressurized suits in space, took their suits off to go outside of the spaceship?

slide25

ASCOS #9.1– 20 points

Question

Why do hydraulic devices use liquids instead of gases?

slide26

ASCOS #9.1– 25 points

Question

Why do you not notice atmospheric pressure on your body?

slide27

ASCOS #8.1– 5 points

Question

What causes the napkins to stay on the picnic table even though there is a slight breeze?

slide28

ASCOS #8.1– 10 points

Question

What factors cause a change in acceleration?

slide29

ASCOS #8.1– 15 points

Question

What is needed to calculate an object’s acceleration?

slide30

ASCOS #8.1– 20 points

Question

What is the force that opposes motion between two surfaces that are touching?

slide31

ASCOS #8.1– 25 points

Question

What type of friction is also known as air resistance?

slide32

ASCOS #8.0

Topic

Identify Newton’s Three Laws of Motion.

slide33

ASCOS #8.1

Topic

Identify and calculate the elements of motion.

slide34

ASCOS #9.0

Topic

Describe how mechanical advantages of simple machines reduce the amount of force needed for work.

slide35

ASCOS #9.1

Topic

Describe the effect of force on pressure in fluids.

slide36

ASCOS # ?

Topic

Differentiate between kinetic and potential energy. & Describe the affect of force on pressure in a fluid.

slide37

ASCOS # ??

Topic

Hodge Podge – a mixture of questions from all objectives.

slide38

ASCOS # 8.0

Answer

inertia

slide39

ASCOS # 8.0

Answer

A rocket maneuvering in space, a balloon flying around the room, you sitting in a chair, a rocket launching at Cape Canaveral

slide40

ASCOS # 8.0

Answer

inertia

slide41

ASCOS # 8.0

Answer

first law of motion

slide42

ASCOS # 8.0

Answer

Newton’s third law

slide43

ASCOS # 8.1

Answer

The ball will remain in motion forever or until it hits another object.

slide44

ASCOS # 8.1

Answer

inertia

slide45

ASCOS # 8.1

Answer

3.75 m/s/s [F=ma; therfore a=F/m = 45N/12kg = 3.75 m/s/s

slide46

ASCOS # 8.1

Answer

9.3 kg [F=ma; therefore m=F/a = 28N/3m/s/s = 9.3 kg]

slide47

ASCOS # 8.1

Answer

1 m/s/s south [Vf – Vs /t = 20m/s – 15m/s ÷ 5s = 5 m/s ÷ 5s = 1 m/s/s.]

slide48

ASCOS # 9.0

Answer

screw

slide49

ASCOS # 9.0

Answer

The ramp is longer so less force is required to ride up.

slide50

ASCOS # 9.0

Answer

wedge

slide51

ASCOS # 9.0

Answer

Distance must decrease

slide52

ASCOS # 9.0

Answer

2.5 [Mechanical Advantage = Output force/Input force = 225 N/ 90N = 2.5]

slide53

ASCOS # 9.1

Answer

The original is less than the final.

slide54

ASCOS # 9.1

Answer

6 g/cm3 [D=m/v = 300g/50cm3 = 6 g/cm3]

slide55

ASCOS # 9.1

Answer

500 Pa [Pa = F/a = 5,000N/10m2 = 500 Pa]

slide56

ASCOS # 9.1

Answer

Pa (Pascal)

slide57

ASCOS # 9.1

Answer

2,500 N [Pa = F/a; therefore F=Pa x a = 250 Pa x 10 m2 = 2,500 N]

slide58

ASCOS # 10.0

Answer

joule

slide59

ASCOS # 9.1

Answer

A volume equal to its own volume

slide60

ASCOS # 9.1

Answer

The fluids in their bodies would overcome the pressure outside of their bodies, and they would explode.

slide61

ASCOS # 9.1

Answer

Gases can be compressed and liquids cannot

slide62

ASCOS # 9.1

Answer

Because the fluids inside your body also exert pressure outward

slide63

ASCOS # 8.1

Answer

Static friction

slide64

ASCOS # 8.1

Answer

A change in direction or velocity

slide65

ASCOS # 8.1

Answer

Starting velocity, final velocity, and the total time it takes to change velocity

slide66

ASCOS # 8.1

Answer

friction

slide67

ASCOS # 8.1

Answer

Fluid friction

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