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- Multiple ChoicePlease save your changes before editing any questions.What is the formula for work?Force = work x distanceDistance = force x workWork = force x distanceWork = force x mass
- Multiple ChoicePlease save your changes before editing any questions.Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?25J100J4J75J
- Multiple ChoicePlease save your changes before editing any questions.45J of work were done on the object that moved 5M. How much force was applied to the object?8N225N9N0N
- Multiple ChoicePlease save your changes before editing any questions.What are the units for work?pounds (lb)centimeters (cm)grams (g)Joules (J)
- Multiple ChoicePlease save your changes before editing any questions.A force exerted over a distance to move an object is defined as the ______________________.powerworkmomentumWatt
- Multiple ChoicePlease save your changes before editing any questions.If 150 Joules of work is needed to move a box 10 meters, what force was used?1500 N15 N1.5 N150 N
- Multiple ChoicePlease save your changes before editing any questions.Energy due to motion is ____________ energy.PotentialEnergyKineticFriction
- Multiple ChoicePlease save your changes before editing any questions.The faster an object moves, the ________ kinetic energy it has.morelessnone of the aboveall of the above
- Multiple ChoicePlease save your changes before editing any questions.__________ is stored energy.PotentialKineticNone of the aboveAll of the above
- Multiple ChoicePlease save your changes before editing any questions.
What kind of energy is in a moving skateboard?PotentialKinetic - Multiple ChoicePlease save your changes before editing any questions.What kind of energy is in a rock at the edge of a cliff?PotentialKinetic
- Multiple ChoicePlease save your changes before editing any questions.Energy can be _____________ or changed from one type to another.destroyedtransferredcreatedignored
- Multiple ChoicePlease save your changes before editing any questions.A battery converts what type of energy to another?sound to kineticlight to heatmechanical to electricalchemical to electrical
- Multiple ChoicePlease save your changes before editing any questions.Gravitational potential energy depends on the ________ and ________ of the object.Height and massFriction and movementMass and MovementHeight and Friction
- Multiple ChoicePlease save your changes before editing any questions.What kind of energy is represented in this picture?ThermalPotentialNuclearMechanical
- Multiple ChoicePlease save your changes before editing any questions.The ability to do work ispowerenergythermalkinetic
- Multiple ChoicePlease save your changes before editing any questions.Energy stored by things above earth (things that can fall)Chemical Potential EnergyElastic Potential EnergyKinetic EnergyGravitational Potential Energy
- Multiple ChoicePlease save your changes before editing any questions.Energy stored in food and fuelsGravitational potential energyChemical Potential EnergyElastic Potential EnergyEnergy
- Multiple ChoicePlease save your changes before editing any questions.How much KE does a moving 6 kilogram object have if it moves with a velocity of 3 m/s?27 J18 J9 J2 J
- Multiple ChoicePlease save your changes before editing any questions.An explosion of gas from a Hawaiian volcano blows a rock into the sky. the rock has 2000J of kinetic energy. What was its mass if the rock had a velocity of 20m/s200Kg20,000Kg10Kg200Kg
- Multiple ChoicePlease save your changes before editing any questions.An 8kg dog chases a cat. if the dog has 400J of kinetic energy. What is the speed of the dog?10 m/s5 m/s1 m/s100 m/s
- Multiple ChoicePlease save your changes before editing any questions.
How high must a 20kg box be lifted to give it 784J of potential energy?
3.98 km
392 m
3.92 m
3
- Multiple ChoicePlease save your changes before editing any questions.How fast is a 0.50 kg ball moving if its kinetic energy is 400 J?150 m/s30 m/s200 m/s40 m/s
- Multiple ChoicePlease save your changes before editing any questions.Calculate the potential energy of a rock with a mass of 55 kg as it sits on a cliff that is 27 m high.1485 J13468 J14553 J1289 J
- Multiple ChoicePlease save your changes before editing any questions.At what height is an object that has a mass of 16 kg if its gravitational potential energy is 7500 J?52.36 m47.83 m19.45 m38.45 m
- Multiple ChoicePlease save your changes before editing any questions.The net work done by a net force acting on an object is equal to the change in the kinetic energy of the object.Force-Work TheoremWork-Kinetic Energy TheoremForce-Kinetic Energy TheoremWork-Force Theorem
- Multiple ChoicePlease save your changes before editing any questions.A 12 kg book is pushed from rest to a final velocity of 10m/s. The book travels 6m. How much force was the book pushed with?600N100N200N1200N
- Multiple ChoicePlease save your changes before editing any questions.What is the ΔKE of a baseball hit with a force of 6000N that travels 120m across the field?6000J43560000J720000J50J
- Multiple ChoicePlease save your changes before editing any questions.A 10.0 kg box is accelerated from 2.0 m/s to 4.0 m/s. What is the amount of work needed to accelerate the box?50.060.020.045.0
- Multiple ChoicePlease save your changes before editing any questions.When my velocity triples, my kinetic energy increases by ______ times.931.54.5