MA Mechanics: Levers, Pulleys & Winches

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MA Basics: Levers, Pulleys & Winches

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Prabashnee Naidoo

Belgium

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MA Mechanics: Levers, Pulleys & Winches


MA Mechanics: Levers, Pulleys & WinchesVersion en ligne MA Basics: Levers, Pulleys & Winches par Prabashnee Naidoo 1 Which simple machine is a seesaw an example of? a Screw b Wheel and axle c Inclined plane d Lever 2 What does a pulley system mainly change to help you lift a load? a Temperature b Speed of rotation c Distance you pull d Direction of the force 3 In a lever, what is the part where you apply force called? a Resistance b Effort c Fulcrum d Load 4 A lever with the input arm twice as long as the load arm has MA of a 3 b 1 c 2 d 4 5 Which device converts rotational motion into linear motion and can provide high mechanical advantage? a Lever b Winch c Wheel and axle d Pulley 6 A pulley system with two supporting rope segments gives MA of a 4 b 3 c 2 d 1 7 What is the fixed point a lever rotates around called? a Fulcrum b Effort c Pivot d Load 8 In a first-class lever, if the fulcrum is between effort and load, increasing the effort arm length relative to the load arm will do what? a Increase speed b No change c Increase MA d Decrease MA 9 Which arrangement maximizes mechanical advantage in a pulley system? a Effort pulley b Block and tackle c Fixed pulley d Single pulley 10 In an ideal machine, mechanical advantage equals the ratio of which quantities? a Input force / output force b Output distance / input distance c Time / effort d Output force / input force 11 Explain what a lever is and describe the three main parts of a lever using an everyday example. a . A lever is a simple machine made of a rigid bar that pivots around a point called the fulcrum. b Bars only c Fulcrum only d Effort and load 12 Describe first class levers. a : Fulcrum in the middle b load in the centre c effort in the centre d load only 13 Why do levers make work easier a b c d

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MA Mechanics: Levers, Pulleys & Winches

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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MA Mechanics: Levers, Pulleys & WinchesVersion en ligne

par Prabashnee Naidoo

Which simple machine is a seesaw an example of?

What does a pulley system mainly change to help you lift a load?

In a lever, what is the part where you apply force called?

A lever with the input arm twice as long as the load arm has MA of

Which device converts rotational motion into linear motion and can provide high mechanical advantage?

A pulley system with two supporting rope segments gives MA of

What is the fixed point a lever rotates around called?

In a first-class lever, if the fulcrum is between effort and load, increasing the effort arm length relative to the load arm will do what?

Which arrangement maximizes mechanical advantage in a pulley system?

In an ideal machine, mechanical advantage equals the ratio of which quantities?

Explain what a lever is and describe the three main parts of a lever using an everyday example.

Describe first class levers.

Why do levers make work easier