Simple machines

Froggy Jumps

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A quick test

Tim

United Kingdom

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Simple machines


Froggy Jumps Simple machinesVersion en ligne A quick test par Tim 1 What type of motion does a screw convert into linear motion? a Rotational b Oscillatory c Vibrational 2 What is the primary mechanical advantage of using the simple machine seen in the image? a You can apply a small force to penetrate something that normally requires a large force. b You can apply a short distance and have it multiplied to penetrate a large distance. c You can apply a large force and have it penetrate over a very long distance. 3 If you use a crowbar to get the lid off of a bucket, what simple machine are you using? a Lever b Inclined Plane c Pulley 4 What is the mechanical advantage of this pulley system? a 4 b 3 c 2 5 This 200KG weight is raised 1 meter by pulling 4 meters of rope. What force was required to pull the rope? a 50 KG b 100 KG c 80 KG 6 What is the mechanical advantage of a wheel and axle system where the radius of the wheel is 10 cm, and the radius of the axle is 2 cm? a 5 b 10 c 15 7 What is mechanical advantage? a A measure of the force amplification achieved by using a tool b A measure of when is the best time to use a simple machine c The advantage a machine has over a bicycle 8 Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever? a 10 b 1 c 100 9 What is the mechanical advantage of a system with two pulleys a 2 b 4 c 8