Compound machines quiz

What are machines made up of 2 or more simple machines called?

• Simples machines

• Compound machines

• Collaborative machines

• Levers

What are the three simple machines that make up the can opener?

• Wheel and axle, inclined plane, pulley

• Lever, inclined plane, pulley

• Lever, wedge, gears

• Lever, wedge, wheel and axle

Why are the handles of the tree trimmer long?

• To provide more area to hold the handles

• To create more leverage to cut into thick branches

• To look better

• To create less leverage to cut into thick branches

Where is the effort applied to scissors?

• To the tips

• To the fulcrum

• To the handles

• To the blades

To increase the cutting ability of metal cutters where do you want to apply force?

• The effort force far from the fulcrum and the resistance close to the fulcrum

• The resistance force far from the fulcrum and the effort close to the fulcrum

• The effort force close to the fulcrum and the resistance far to the fulcrum

• The effort force on the fulcrum and the resistance close to the fulcrum

Where is the resistance in a wheelbarrow?

• The wheel

• The axle

• The handles

• The bin