Kinetic/Potential Energy
Solve:
Robert pushes a car for 50 meters with a force of 1000N. How much work has he done?
what is 50,000 Joules?
How much kinetic energy would a 25 kg bowling ball which rolls with a speed of 2 m/s down the lane?
What is 50J ?
State the formula for Work?
What is W= Force X Distance?
Gabrielle pulls a toy car 10 meters with a force of 200N. How much work has she done?
What is 2,000 Joules?
What is the kinetic energy of a feather which has a mass of 0.05 kg and is falling at a rate of 9.8 m/s?
What is 2.4 Joules?
Explain what will to Energy of bicyclist as it rides up and down a hill.
What is kinetic energy will converted to potential energy as the rider travels up the hill. The rider will have max potential energy at the top of the hill which will be let out as the rider travels down the hill.
Jack drags a shopping bag for 1000 meters with a force of 150N. How much work?
What is 150,000 Joules?
How much potential energy does King Kong have while hanging onto a 1000m skyscraper if he has a mass of 2500 kg?
What is a 24500000 Joules?
Name 5 example of Kinetic energy
Answers Various, but anything object in motion
Chloe does 2600J of work hauling a wheelbarrow for 3 meters. How much force is used?
What are 866.66 N?
Double Jeopardy
What is the kinetic energy of a sprinter which has a mass of 125 kg and can run the 100m dash in 5.5secs?
What is 20,702.5 Joules?
What main factor determines the amount of kinetic energy an object possesses
speed or height off the ground
What are speed?
Double Jeopardy
State the law of conservation.
What is Energy cannot be created or destroyed?
A ball does 1400J of work being pushed with a force of 70N. How far does it travel?
What is 20m ?
How much kinetic energy does a 600 kg box of bricks sitting on a 35m high table have?
What is 0 Joules?
What main factor determines the amount of potential energy of an object possesses?
speed or height off the ground
What is height off the ground?