1) A trolley is a.... a) Simple machine b) Complex machine 2) A jar lid is a... a) Simple machine b) Complex machine 3) A flagpole is a... a) Simple machine b) Complex machine 4) A ramp is a... a) Simple machine b) Complex machine 5) Scissors are... a) Simple machines b) Complex machines 6) A sharpener is a... a) Simple machine b) Complex machine 7) A wheelbarrow is a... a) Simple machine b) Complex machine 8) A screw jack is a... a) Simple machine b) Complex machine 9) A excavator is a... a) Simple machine b) Complex machine 10) A window blind is a... a) Simple machine b) Complex machine

Simple and complex machines -questions and answers

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