Jeopardy Physical Quantities Units Formula s Motion Graphs

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Physical Quan-tities Units Formula s Motion Graphs Quick Calculation Vector Math 100 100 100 200 200 200 300 300 300 400 400 400 500 500 500 Final Jeopardy

Moment um & Gravity Impulse & Orbits (coming soon) Metric Prefixes Short Calculati ons 200 200 200 400 400 400 600 600 600 800 800 800 1000 1000 Proportio Newton’s nal Laws Reasoning Final Jeopardy

A measure of how quickly an object changes speed and/or direction. What is acceleration? Physical Quantities - 100

Vector quantity describing distance and direction from the starting position. What is Displacement? Physical Quantities - 200

An interaction between objects that is capable of changing the state of motion. What is force? Physical Quantities - 300

Determines the amount of inertia and strength of gravitational interactions. What is mass? Physical Quantities - 400

Equal to the amount momentum changes. What is total impulse? Physical Quantities - 500

SI unit of mass. What is kilogram? Units - 100

SI unit of velocity What is meters/second? Units - 200

Equal to N s What is kg m/s? Units - 300

Equal to kg What are Newtons? Units - 400 2 m/s

7 base units of the SI system Meters, kilograms, seconds, amperes, kelvins, candelas, moles Units - 500

Formula most closely related to the definition of acceleration. What is a=Dv/Dt? Formulas- 100

Formula to find the weight of an object on earth. What is Fg=mg? Formulas - 200

Formula for kinetic energy What is Ek=1/2 mv^2 Formulas - 300

Formula for friction force. What is Ff=m. FN? Formulas - 400

Formula to find the downhill component of gravitational force for an object on a ramp. What is Fgx=Fg sinq ? Formulas - 500

The slope of a position versus time graph. What is velocity? Motion Graphs - 100

The area underneath a velocity versus time graph. What is displacement? Motion Graphs - 200

The slope of a velocity versus time graph. What is acceleration? Motion Graphs - 300

The shape of the position vs. time and velocity versus time graph for an object moving at constant speed. What is a straight sloped line and a horizontal line? Motion Graphs – 400

The shape of the position vs. time and velocity versus time graph for an object accelerating uniformly. What is a parabola and a straight sloped line. Motion Graphs - 500

Distance an object travels in 5. 0 seconds if it is moving at a constant speed of 15 m/s. What is 75 meters? Quick Calculation 100

Acceleration of an object that uniformly increases its velocity from 4. 0 m/s to 12. 0 m/s in 2. 0 s. 2 m/s What is 4. 0 m/s Quick Calculation 200

The acceleration of an airplane that flies in a straight line for 30 seconds while maintaining a speed of 250 m/s. What is zero Quick Calculation 300

Distance a dropped rock falls in the first 0. 40 seconds. What is 0. 78 m (or 78 cm) Quick Calculation 400

The duration a 10. 0 N force must act to change the momentum of a 572 kg object by 40. 0 kg m/s. What is 4. 0 seconds? Quick Calculation 500

65 cm north plus 45 cm south. What is 20 cm north? Vector Math - 100

Magnitude and direction of a vector with the following components: 15. 0 m/s east and 25. 0 m/s north. What is 29 m/s @ o 59 N of E? Vector Math – 200

Horizontal & vertical components of a projectile launched at 17 m/s at an angle of 28. 07 o above horizontal. What is vix=15 m/s viy=8. 0 m/s? Vector Math- 300

Normal force acting on a 36. 0 kg box resting on a ramp that is inclined at 30. 0 degrees above horizontal. What is 306 N? Vector Math - 400

Range of possible magnitudes when a 65 N force is added to a 35 N force. What is between 30 N and 100 N? Vector Math - 500

Centi. What is a metric prefix meaning 1/100 -2 (or x 10 )? Metric Prefixes 200

Metric prefix meaning 3 1000 (or x 10 ) What is kilo? Metric Prefixes 400

Metric prefix meaning 9 billion (x 10 ) What is Giga? Metric Prefixes 600

Prefix meaning -3 thousandths (x 10 ) What is milli? Metric Prefixes 800

Metric prefix meaning -6 millionths (x 10 ) What is micro (m)? Metric Prefixes 1000

Acceleration that results from a net force of 45 N acting on a 3. 0 kg object. What is 15 Short Calculation 200 2 m/s ?

Horizontal force required to drag a 100. 0 kg across the floor at a constant speed if the coefficient of kinetic friction is 0. 20. What is 196 N? Short Calculation 400

Centripetal acceleration of a 35 kg object traveling in circle with a radius of 10. 0 meters at 8. 0 m/s. 2 What is 6. 4 m/s ? Short Calculation 600

Amount of friction acting on a 50. 0 kg object that gains 2. 0 m/s of velocity each second when a horizontal force of 175 N is applied. What is 75 N? Short Calculation 800

Acceleration that results from 7500 N of upward thrust acting on a rocket that weighs 5500 N. What is 3. 6 Short Calculation 1000 2 m/s up?

Newton’s First Law What is “objects keep moving in a straight line at a constant speed unless an unbalanced force acts on them. ” Newton’s Laws 200

The amount of unbalanced force required to maintain the motion of an object. What is zero? Newton’s Laws 400

Reaction to a 300 lb linebacker pushing you backwards with 350 N of force. What is you pushing the linebacker forward with 350 N of force? (n 3 L) Newton’s Laws 600

Newton’s Second Law What is “the rate an object changes velocity is directly proportional to the net force it expriences and inversely proportional to its mass ? (a=Fnet/m) Newton’s Laws 800

Speeding up, slowing down, changing direction What are three examples of acceleration? (Or what is the result of an unbalanced force? Newton’s Laws 1000

Doubling the normal force does this to the friction force. What is multiplies it by 2? Proportional Reasoning 200

The acceleration of a 80 kg object compared to a 160 kg object that experiences the same net force. What is twice as large? Proportional Reasoning 400

The kinetic energy of a car moving at 45 mph compared to a car moving at 15 mph. What is 9 times greater? Proportional Reasoning 600

The amount the coefficient of friction changes if weight is added to a box to double the normal force. What is no change since the friction force would also double? Proportional Reasoning 800

Distance covered by a dropped object if it falls twice as long What is 4 x the distance? Proportional Reasoning 1000

Measured attraction of two masses on earth. Who is Cavendish? Gravity & Orbits - 200

Described gravity in terms of the curvature of space time. Who is Einstein? Gravity & Orbits - 400

Objects in elliptical orbits move faster orbits as they near the sun and sweep out equal areas in equal time intervals. What is Kepler’s Second Law of Planetary Motion? Gravity & Orbits - 600

This ratio is constant for objects in the same orbital system. What is orbital period squared divided by average orbital distance rd cubed (Kepler’s 3 Law of Planetary Motion) Gravity & Orbits- 800

The reason astronauts in orbit appear to be weightless (even though they experience a gravitational pull nearly as What pulls inward and large is, as “Gravity they would onthem earth) deflects their velocity downward but because of their forward motion the ground curves away from underneath them. The space station is also falling out from underneath of their feet so Gravity & Orbits – 1000 they appear weightless. ”?

Transmission of Electrical Energy Final Jeopardy Topic

In order to reduce resistive heat losses it is preferable to minimize the amount of current flowing through long power lines from where the electricity is generated to cities and homes. Final Jeopardy “Answer”

What is the reason why electricity is transmitted at high voltage over power lines. Final Jeopardy “Question”

Thanks for playing…good luck studying for tomorrow’s test!! Final Answer

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