
Calculating the energy of a moving object (KE=1/2mv2)
Quiz by Oak National Academy: GCSE Physics Edexcel Foundation
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6 questions
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- Q1Which properties of an object can be increased so it has more energy in its kinetic store?Users sort answers between categoriesSorting30s
- Q2Why does a shopping trolley that has been pushed and then let go of come to a stop?a gravitational force pushes down on itenergy is transferred to the surroundingsit runs out of energy30s
- Q3What happens to the amount of work done moving a car, if the car is pushed with the same size force for three times the distance?Nine times the work.The same amount of work.One third of the work.Three times the work.30s
- Q4In which of these situations does the applied force not do any work?Pushing down on a trolley as it moves forwards.Pushing on a trolley backwards to slow it down.Pushing a trolley forward to speed it up.Pushing a trolley forward against friction, to keep it at the same speed.30s
- Q5How would you calculate the work done by a catapult in shooting a small ball forward?Work done = force of catapult ÷ mass of the ballWork done = force of catapult ÷ distance over which the ball movesWork done = force of catapult × mass of the ballWork done = force of catapult × distance over which it pushes on the ball30s
- Q6A catapult does work on a small ball to fire it vertically up into the air. What is the amount of work done on the ball equal to?The energy in the gravitational store when the ball leaves the catapult.Energy in the kinetic store at its highest point.Energy in the gravitational store at its highest point.Energy in the kinetic store as the ball leaves the catapult.30s