Physics Jeopardy!Physics Jeopardy!

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Newton’s Newton’s LawsLaws EnergyEnergy MomentumMomentum Circular Circular

MotionMotion GravitationGravitation ThermoThermo

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Newton’s Newton’s LawsLaws EnergyEnergy MomentumMomentum Circular Circular

MotionMotion GravitationGravitation ThermoThermo

If a student holds a book If a student holds a book at rest, the force exerted at rest, the force exerted by the book is equal to by the book is equal to

the book’s…the book’s…

A soccer player kicks a A soccer player kicks a 0.5 kg ball with a force of 0.5 kg ball with a force of 50 N. What is the force 50 N. What is the force

on the players foot?on the players foot?

A baseball player hits a ball A baseball player hits a ball with a bat. What is the with a bat. What is the action-reaction pair? action-reaction pair?

(2 answers!)(2 answers!)

2 cars of different 2 cars of different masses collide. What masses collide. What can be said about the can be said about the

forces exerted on each?forces exerted on each?

A rocket is launched A rocket is launched upward with a force of upward with a force of

50N, it has an 50N, it has an acceleration of 25 m/sacceleration of 25 m/s². ². What is the rocket’s mass?What is the rocket’s mass?

A hydraulic lift raises a A hydraulic lift raises a 1000 kg car 2 meters off 1000 kg car 2 meters off the ground. What is the the ground. What is the cars potential energy?cars potential energy?

What is the kinetic What is the kinetic energy of a 10 kg object energy of a 10 kg object

moving at a speed of moving at a speed of 10 m/s?10 m/s?

A 0.20 kg bullet is fired A 0.20 kg bullet is fired straight up with an initial straight up with an initial velocity of 300 m/s. What velocity of 300 m/s. What is the maximum height it is the maximum height it

can reach without air can reach without air resistance?resistance?

If Sarah has a mass of 40.0 If Sarah has a mass of 40.0 kg and begins dropping kg and begins dropping

from 30.0 m above ground, from 30.0 m above ground, how much kinetic energy how much kinetic energy will she have when she will she have when she

reaches the ground?reaches the ground?

If Kelly the skater’s If Kelly the skater’s speed increases so she speed increases so she

has 3 times the has 3 times the momentum, then her momentum, then her

kinetic energy increases kinetic energy increases by…by…

When is linear When is linear momentum conserved?momentum conserved?

A child is on a sled moving A child is on a sled moving down a hill at 20 m/s. The down a hill at 20 m/s. The

combined mass of child and combined mass of child and sled is 100 kg. What is the sled is 100 kg. What is the momentum of the child and momentum of the child and

sled?sled?

A 70 kg skier leaves a ski A 70 kg skier leaves a ski jump at a velocity of 14 jump at a velocity of 14 m/s. What is the skier’s m/s. What is the skier’s

momentum?momentum?

A cart with a mass of 1 kg traveling at A cart with a mass of 1 kg traveling at 2 m/s catches up to another cart with 2 m/s catches up to another cart with a mass of 2 kg traveling at 1 m/s. The a mass of 2 kg traveling at 1 m/s. The

carts are moving in the same carts are moving in the same direction. The first cart collides and direction. The first cart collides and sticks to the second cart. How fast sticks to the second cart. How fast

are the carts moving as they are stuck are the carts moving as they are stuck together?together?

Grace is bowling and only one pin Grace is bowling and only one pin remains in her last frame. The pin remains in her last frame. The pin weighs 3 kg and Grace’s bowling weighs 3 kg and Grace’s bowling

ball weighs 6 kg. If the ball is ball weighs 6 kg. If the ball is thrown at 10 m/s, and after hitting thrown at 10 m/s, and after hitting the pin it is moving at 5 m/s, how the pin it is moving at 5 m/s, how

fast is the pin moving after the fast is the pin moving after the collision?collision?

In which In which direction will direction will the ball fly if the ball fly if released at released at the position the position

shown?shown?

A car is driving around a A car is driving around a circular track, in which circular track, in which

direction must the direction must the centripetal force act to centripetal force act to

allow the car to stay allow the car to stay moving in a circle.moving in a circle.

Draw a picture Draw a picture of the of the

direction the direction the plane would plane would

fly if the string fly if the string breaks.breaks.

What is the centripetal force What is the centripetal force experienced by a 2000 kg experienced by a 2000 kg car traveling at a speed of car traveling at a speed of

20 m/s while going around a 20 m/s while going around a curve which has a radius of curve which has a radius of

50 m?50 m?

(Daily Double)(Daily Double)

A block has a mass of A block has a mass of 5.00 kg. What is its 5.00 kg. What is its

weight on Earth at sea weight on Earth at sea level?level?

If the force of gravity If the force of gravity suddenly stopped acting suddenly stopped acting

on the planets, how on the planets, how would they move?would they move?

The gravitational force The gravitational force between 2 spheres is 100 N. between 2 spheres is 100 N. If the distance between them If the distance between them is doubled, what is the force is doubled, what is the force

between the masses?between the masses?

The gravitational force The gravitational force between 2 spheres is 70 N. between 2 spheres is 70 N.

If the distance between them If the distance between them is halved, what is the force is halved, what is the force

between the spheres?between the spheres?

(Daily Double)(Daily Double)

A spaghetti noodle is A spaghetti noodle is placed in boiling water. placed in boiling water. How does the motion of How does the motion of

the noodle molecules the noodle molecules change, and why?change, and why?

What is entropy?What is entropy?

A cup of boiling water at A cup of boiling water at 100100ºC is placed inside an ºC is placed inside an

insulated box. The inside of insulated box. The inside of the box is 20ºC. Describe the box is 20ºC. Describe the conditions inside the the conditions inside the box after a long period of box after a long period of

time.time.

An engine has an input of An engine has an input of heat energy of 10,750 J and heat energy of 10,750 J and does 2420 J of work. What does 2420 J of work. What

is the heat lost in the is the heat lost in the system?system?

On Friday after school, you On Friday after school, you organize and clean your room. By organize and clean your room. By Monday morning, everything is a Monday morning, everything is a

mess. If you had an “entropy mess. If you had an “entropy meter”, how would Friday’s meter”, how would Friday’s

reading compare with Monday’s reading compare with Monday’s reading?reading?

DAILY DAILY DOUBLE!DOUBLE!

Jon swings his 30.0 kg little Jon swings his 30.0 kg little brother around in a circle brother around in a circle that has a radius of 1.0 m. that has a radius of 1.0 m.

He applies a force of 3000 N. He applies a force of 3000 N. What is the speed of his What is the speed of his

little brother?little brother?

DAILY DAILY DOUBLE!DOUBLE!

What could you do to the What could you do to the two masses shown that two masses shown that

would cause the would cause the greatestgreatest increase in the increase in the

gravitational force gravitational force between them?between them?