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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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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

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


ASCOS #8.0– 10 points

Question

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


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?


ASCOS #8.0– 20 points

Question

Which of Newton’s laws explain inertia?


ASCOS #8.0– 25 points

Question

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


ASCOS #8.1– 5 points

Question

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


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?


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.


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.


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?


ASCOS #9.0– 5 points

Question

What type of simple machine is a jar lid?


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?


ASCOS #9.0– 15 points

Question

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


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?


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?


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?


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)


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)


ASCOS #9.1– 20 points

Question

What is the SI unit for pressure?


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)


ASCOS #10.0– 5 points

Question

What is the SI unit for energy?


ASCOS #9.1– 10 points

Question

What volume of fluid does an object displace?


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?


ASCOS #9.1– 20 points

Question

Why do hydraulic devices use liquids instead of gases?


ASCOS #9.1– 25 points

Question

Why do you not notice atmospheric pressure on your body?


ASCOS #8.1– 5 points

Question

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


ASCOS #8.1– 10 points

Question

What factors cause a change in acceleration?


ASCOS #8.1– 15 points

Question

What is needed to calculate an object’s acceleration?


ASCOS #8.1– 20 points

Question

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


ASCOS #8.1– 25 points

Question

What type of friction is also known as air resistance?


ASCOS #8.0

Topic

Identify Newton’s Three Laws of Motion.


ASCOS #8.1

Topic

Identify and calculate the elements of motion.


ASCOS #9.0

Topic

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


ASCOS #9.1

Topic

Describe the effect of force on pressure in fluids.


ASCOS # ?

Topic

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


ASCOS # ??

Topic

Hodge Podge – a mixture of questions from all objectives.


ASCOS # 8.0

Answer

inertia


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


ASCOS # 8.0

Answer

inertia


ASCOS # 8.0

Answer

first law of motion


ASCOS # 8.0

Answer

Newton’s third law


ASCOS # 8.1

Answer

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


ASCOS # 8.1

Answer

inertia


ASCOS # 8.1

Answer

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


ASCOS # 8.1

Answer

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


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.]


ASCOS # 9.0

Answer

screw


ASCOS # 9.0

Answer

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


ASCOS # 9.0

Answer

wedge


ASCOS # 9.0

Answer

Distance must decrease


ASCOS # 9.0

Answer

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


ASCOS # 9.1

Answer

The original is less than the final.


ASCOS # 9.1

Answer

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


ASCOS # 9.1

Answer

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


ASCOS # 9.1

Answer

Pa (Pascal)


ASCOS # 9.1

Answer

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


ASCOS # 10.0

Answer

joule


ASCOS # 9.1

Answer

A volume equal to its own volume


ASCOS # 9.1

Answer

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


ASCOS # 9.1

Answer

Gases can be compressed and liquids cannot


ASCOS # 9.1

Answer

Because the fluids inside your body also exert pressure outward


ASCOS # 8.1

Answer

Static friction


ASCOS # 8.1

Answer

A change in direction or velocity


ASCOS # 8.1

Answer

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


ASCOS # 8.1

Answer

friction


ASCOS # 8.1

Answer

Fluid friction


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