Forces Graphs Motion Pressure Misc.

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200 200 200 200 200

300300300300300

400400400400400

500500500500500

Final Jeopardy

Forces for 100Forces for 100

A speedboat that pulls a 70kg water skier with a force of 140 Newtons. What is the acceleration of the skier?

2m/s/s2m/s/s BACK

Forces for 200Forces for 200

More ForceMore ForceBACK

A force of 5 N is required to increase A force of 5 N is required to increase the speed of a box from 1.0 m/s to 3.0 the speed of a box from 1.0 m/s to 3.0 m/s in 5 seconds along a level m/s in 5 seconds along a level surface. If you increased the mass of surface. If you increased the mass of the box, would it require more or less the box, would it require more or less force?force?

Forces for 300Forces for 300

A force of 27N causes a A force of 27N causes a satellite to accelerate 3 satellite to accelerate 3 m/s/s. What is the m/s/s. What is the satellite’s mass?satellite’s mass?

9kg9kg

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You and your friends need to push a You and your friends need to push a smart car that is 7154N and a truck smart car that is 7154N and a truck that is 23000N at the same speed, that is 23000N at the same speed, which vehicle would you have to which vehicle would you have to push with more force?push with more force?

truck.truck.

Forces for 400Forces for 400

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The 50N object

Forces for 500Forces for 500

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A force of 500N acts on three different size objects. One has a weight of 50N, the second object is 100N and the third is 150N. Which will have the greatest acceleration?

What is the equation to What is the equation to caclulate for slope?caclulate for slope?

Rise / runRise / run

Graphs for 100Graphs for 100

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What is the speed of the object during What is the speed of the object during the first 5 seconds, based on the graph the first 5 seconds, based on the graph below?below?

10 m/5 s = 2 m/s10 m/5 s = 2 m/s

Graphs for 200Graphs for 200

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Distance v. Time

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0 5 10 15 20 25

Time (seconds)

Dis

tan

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)

Graphs for 300Graphs for 300

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Explain what is happening Explain what is happening in this graph?in this graph?

Speed is accelerating from 0-10 in 5 seconds. The Speed is accelerating from 0-10 in 5 seconds. The speed remains at 10m/s for 10 seconds (no speed remains at 10m/s for 10 seconds (no acceleration) and then slows down and stops in 5 acceleration) and then slows down and stops in 5 seconds.seconds.

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Speed v. Time

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Time (seconds)

Sp

ee

d (

m/s

)

Graphs for 400Graphs for 400

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Explain the graph below.Explain the graph below.

Travels 10 meters in 5 seconds. Stops for 5 seconds. Travels 10 meters in 5 seconds. Stops for 5 seconds. Travels 5 meters in 5 seconds. Stops for 5 seconds. Travels 5 meters in 5 seconds. Stops for 5 seconds. Travels 10 meters in 5 seconds.Travels 10 meters in 5 seconds. BACK

Distance v. Time

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0 5 10 15 20 25

Time (seconds)

Dis

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(m

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Explain the acceleration for each Explain the acceleration for each segment of the graph below.segment of the graph below.

Accelerates from 0 to 10 in 2 seconds, or 6m/s/s. Accelerates from 0 to 10 in 2 seconds, or 6m/s/s. Goes a constant speed (10 m/s) for 4 seconds. Goes a constant speed (10 m/s) for 4 seconds. Then decelerates from 10 m/s to 0 m/s. Then Then decelerates from 10 m/s to 0 m/s. Then stops completely for 2 seconds. stops completely for 2 seconds.

Graphs for 500Graphs for 500

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Speed

(m/s)

Motion for 100Motion for 100

How can you tell if How can you tell if an object is in an object is in motion?motion?

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If the distance between an object and its reference point changes.

Motion for 200Motion for 200

If a car drives 80 meters If a car drives 80 meters in 10 seconds, what is in 10 seconds, what is it’s speed? Don’t forget it’s speed? Don’t forget units. units.

Speed = 80m/10s = 8 m/sSpeed = 80m/10s = 8 m/sBACK

Backwards in relation to a Backwards in relation to a reference point on the train.reference point on the train.

Motion 300Motion 300

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A passenger walks towards the A passenger walks towards the rear of a moving train. What is rear of a moving train. What is her motion in relation to a her motion in relation to a reference point on the train? reference point on the train?

Motion 400Motion 400

If you say the beach is 5Km If you say the beach is 5Km north and 2 km west, what north and 2 km west, what do you need to know to do you need to know to determine where the beach determine where the beach is?is?

Reference pointReference pointBACK

Which of the following represents Which of the following represents the velocity of an object?the velocity of an object?

a-52 km/hr west b-52km/hra-52 km/hr west b-52km/hr

b-52 km c-52 km westb-52 km c-52 km west

a-52 km/hr westa-52 km/hr west

Motion 500Motion 500

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Pressure for 100Pressure for 100

How do snowshoes How do snowshoes make it easier to walk on make it easier to walk on snow?snow?

Snow shoes increase surface area which spreads out the amount of

force you put on the snow BACK

Pressure for 200Pressure for 200

The density of a sample The density of a sample of a substance is of a substance is 30g/cm30g/cm³, and its mass is , and its mass is 1200 grams. What is the 1200 grams. What is the volume of this sample? volume of this sample?

40cm³BACK

A student has two containers. Container A holds 1 liter A student has two containers. Container A holds 1 liter

of liquid. Container Bof liquid. Container B holds two liters of liquid. Both holds two liters of liquid. Both

containers are filled with same liquid. Are the densities containers are filled with same liquid. Are the densities of the two liquids equal or unequal?of the two liquids equal or unequal?

The density of the liquid in a container A is equal to the The density of the liquid in a container A is equal to the density of container B. density of container B.

Pressure for 300Pressure for 300

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Pressure for 400Pressure for 400

What is the density of a solid What is the density of a solid 1cm long, 0.5cm wide, and 1cm long, 0.5cm wide, and 2cm high, if the mass is 6 2cm high, if the mass is 6 grams?( remember volume is grams?( remember volume is length x width x height)length x width x height)

6 g/cm6 g/cm³³BACK

Pressure for 500Pressure for 500

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A rock has a density of 45g/ml and a mass of 90g. What is it’s volume?

Density = mass ÷ volume

Volume = Mass ÷ density

Volume = 90g ÷ 45g/mL

Volume = 2 mL

Miscellaneous for 100Miscellaneous for 100

What types of things do you What types of things do you find in the results section of find in the results section of a scientific report?a scientific report?

Graphs and data tables Graphs and data tables

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Miscellaneous for 200Miscellaneous for 200

The force of gravity on The force of gravity on a person or an object a person or an object at the surface of a at the surface of a planet is known as?planet is known as?

Weight Weight BACK

What causes your What causes your weight to b e weight to b e different on every different on every planet?planet?

gravitygravity

Miscellaneous for 300Miscellaneous for 300

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Miscellaneous 400Miscellaneous 400

The force of gravity depends on...The force of gravity depends on...

Mass and Distance Mass and Distance BACK

What law explains why the What law explains why the planets and Sun are held planets and Sun are held together as a solar system within together as a solar system within the Milky Way galaxy? the Milky Way galaxy?

Law of Universal Law of Universal Gravitation Gravitation

Miscellaneous for 500Miscellaneous for 500

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Final Jeopardy Final Jeopardy A ladybug is creeping down a sidewalk at A ladybug is creeping down a sidewalk at

1 m/s. Sometime later, it’s speeding at 5 1 m/s. Sometime later, it’s speeding at 5 m/s. This could have happened if the lady m/s. This could have happened if the lady bug accelerated at 1 m/s/s for 4 seconds. bug accelerated at 1 m/s/s for 4 seconds. Is this the only way that the increase in Is this the only way that the increase in speed could have happened? Explain. speed could have happened? Explain.

possibilities: 1 m/s/s for 4 s, 2 m/s/s for 2 s, 4 m/s/s for 1 s

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Congratulations!Congratulations!

Thank you for playing JeopardyThank you for playing Jeopardy