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Physics Jeopardy!

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Newtons LawsEnergyMomentumCircular MotionGravitationThermo

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Newtons LawsEnergyMomentumCircular MotionGravitationThermo

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

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

A baseball player hits a ball with a bat. What is the action-reaction pair? (2 answers!)

2 cars of different masses collide. What can be said about the forces exerted on each?

A rocket is launched upward with a force of 50N, it has an acceleration of 25 m/s. What is the rockets mass?

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

What is the kinetic energy of a 10 kg object moving at a speed of 10 m/s?

A 0.20 kg bullet is fired straight up with an initial velocity of 300 m/s. What is the maximum height it can reach without air resistance?

If Sarah has a mass of 40.0 kg and begins dropping from 30.0 m above ground, how much kinetic energy will she have when she reaches the ground?

If Kelly the skaters speed increases so she has 3 times the momentum, then her kinetic energy increases by

When is linear momentum conserved?

A child is on a sled moving down a hill at 20 m/s. The combined mass of child and sled is 100 kg. What is the momentum of the child and sled?

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

A cart with a mass of 1 kg traveling at 2 m/s catches up to another cart with a mass of 2 kg traveling at 1 m/s. The carts are moving in the same direction. The first cart collides and sticks to the second cart. How fast are the carts moving as they are stuck together?

Grace is bowling and only one pin remains in her last frame. The pin weighs 3 kg and Graces bowling ball weighs 6 kg. If the ball is thrown at 10 m/s, and after hitting the pin it is moving at 5 m/s, how fast is the pin moving after the collision?

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

A car is driving around a circular track, in which direction must the centripetal force act to allow the car to stay moving in a circle.

Draw a picture of the direction the plane would fly if the string breaks.

What is the centripetal force experienced by a 2000 kg car traveling at a speed of 20 m/s while going around a curve which has a radius of 50 m?

(Daily Double)

A block has a mass of 5.00 kg. What is its weight on Earth at sea level?

If the force of gravity suddenly stopped acting on the planets, how would they move?

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

The gravitational force between 2 spheres is 70 N. If the distance between them is halved, what is the force between the spheres?

(Daily Double)

A spaghetti noodle is placed in boiling water. How does the motion of the noodle molecules change, and why?

What is entropy?

A cup of boiling water at 100C is placed inside an insulated box. The inside of the box is 20C. Describe the conditions inside the box after a long period of time.

An engine has an input of heat energy of 10,750 J and does 2420 J of work. What is the heat lost in the system?

On Friday after school, you organize and clean your room. By Monday morning, everything is a mess. If you had an entropy meter, how would Fridays reading compare with Mondays reading?

DAILY DOUBLE!

Jon swings his 30.0 kg little brother around in a circle that has a radius of 1.0 m. He applies a force of 3000 N. What is the speed of his little brother?

DAILY DOUBLE!

What could you do to the two masses shown that would cause the greatest increase in the gravitational force between them?

*1-100 weight*1-200 50N*1-300 Impact of bat against ball & Impact of ball against bat*1-400 equal and opposite*1-500 2.0 kg*2-100 19,600 J*2-200 500 J*2-300 4500 m or 4592 m*2-400 11,760 J or 12,000 J*2-500 9 times*3-100 when there is no force on the system*3-200 2000 kg*m/s*3-300 980 kg*m/s*3-400 4/3 m/s*3-500 10 m/s*4-100 X*4-200 towards the center*4-300 Tangent*4-400 16,000 N*4-500*5-100 49.0 N or 50.0 N*5-200 Tangent to their original orbits*5-300 25 N*5-400 280 N*5-500*6-100 move faster, because they have more heat*6-200 The measure of the amount of disorder in a system*6-300 the water and the box reach a uniform temperature*6-400 8330 J*6-500 Mondays entropy is higher*10 m/s