Potential Energy
This is the formula for calculating potential energy.
What is PE=mgh?
Give the formula for kinetic energy.
What is KE=0.5mv2?
A ball is on a ledge that is 14 meters high and has a mass of 39 kilograms. Calculate the POTENTIAL energy of the ball.
What is 5350.8 J?
Calculate the net force and direction of a box if there is a force of 50 N to the right and a force of 19 N to the left.
What is 31 N to the right?
On a roller coaster, give the one point where there is the most potential energy.
A. At the top of a hill
B.At the bottom of the hill
C. At the end of the ride
What is A. At the top of a hill?
On a roller coaster, give the point where there is the most kinetic energy.
A. At the top of a hill
B. At the bottom of a hill
C. At the end of the ride
What is B. At the bottom of a hill?
A car has a mass of 1,200 kg and is traveling at 85 m/s. Calculate the KINETIC energy of the car.
What is 4335000 J?
In the 200 point question, are the forces balanced or unbalanced?
What is unbalanced?
Give 2 examples of potential energy.
What are roller coasters , skaters, etc. (Give any two that you can think of)
Give 2 examples of kinetic energy.
What are Kinetic Sand™, a roller coaster, etc. (Give any two that you can think of)
A boat has a mass of 15600 kg and is traveling at 31 m/s. Calculate the KINETIC energy of the boat.
What is 7495800 J?
This is an open-ended question, so if you explain it correctly, you get the points.
This force is short-handed as g in the potential energy formula.
What is gravity?
DAILY DOUBLE!!! What is the v in the formula, KE=0.5mv2?
What is velocity (speed)?
A rock has a mass of 4 kg and is on a cliff that is 55 meters high. Calculate the POTENTIAL energy of the rock.
What is 2156 J?
Calculate the net force and direction of a box with a force of 92 N to the left and 9 N to the right.
What is 83 N to the left?
This value is subbed in for g in the formula, PE=mgh.
What is 9.8?
What is the unit we use when labeling kinetic energy?
What is Joules (J)?
A truck has a mass of 7500 kg and is traveling at 40 m/s. Calculate the KINETIC energy of the truck.
What is 6000000 J?
Name the unit in which we use to calculate net force.
What are newtons (N)?