Unit 9 - FORCES AND MACHINES
Quiz by Rosa
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8 questions
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- Q1If you apply sufficient force to a rigid object, it will…change shape temporarilybreakchange shape permanently.30s
- Q2A car travels 300 km in 6 hours. Its speed is…20 km/h.50 km/h.80 km/h.30s
- Q3The component of a machine that produces movement is the…motoroperating partstructure30s
- Q4Indicators and screens…receive information from outside the machine.give information about what the machine is doingdistribute electricity throughout the machine.30s
- Q5How can we know their speed at a particular moment?we have to look through the window.we have to look the wheels.we have to look at the speedometer.30s
- Q6The force of gravity...decreases the speed of all falling objectsattracts all bodies towards the centre of the Earth.is not as strong as the force of water30s
- Q7To regulate the temperature in our homes, we use…appliances.water flow regulators.thermostats.30s
- Q8A high speed train takes 2 hours to travel 400 km. What is the speed of the train?100 km/h.120 km/h.200 km/h.30s