Simple Machines

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Test your basic machines knowledge

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Mohamed Adawy

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Simple Machines


Froggy Jumps Simple MachinesVersión en línea Test your basic machines knowledge por Mohamed Adawy 2 What is the main function of a lever? a To lift or move loads with less effort b To multiply speed without effort c To convert energy from one form to another 3 Which simple machine has a wheel and axle for rotation? a Wheel and axle b Pulley c Inclined plane 4 An inclined plane reduces effort by increasing distance. This is called a/an: a Screw b Wedge c Inclined plane 5 A pulley changes the direction of force and can multiply it. This is an example of a/an: a Screw b Wedge c Pulley system 6 Which simple machine consists of two inclined planes joined together? a Lever b Wedge c Screw 7 The screw is a modified version of which other simple machine? a Wedge b Inclined plane c lever 8 Which device uses a rope and wheel to lift loads with less effort? a Inclined plane b Wedge c Pulley 9 A ramp used to move items to a higher level is an example of a: a Inclined plane b Wheel and axle c Screw 10 A crowbar is a type of which simple machine? a Lever b Pulley c Wedge 11 The mechanical advantage of a simple machine is the ratio of output force to: a Input force b Effort duration c Output distance 12 1. What is the main function of a fixed pulley? a C. Store energy b A. Increase force c B. Change direction of force 13 2. The mechanical advantage of a fixed pulley is: a C. Greater than 1 b A. 0 c B. 1 14 3. A fixed pulley is similar to which simple machine? a C. Screw b B. Wedge c A. Lever 15 4. A moveable pulley mainly helps by: a A. Reducing friction b B. Increasing mechanical advantage c C. Changing material 16 5. A combination of pulleys is used to: a C. Increase weight of object b A. Decrease force needed c B. Increase mechanical advantage 17 6. In a wheel and axle, the axle is usually: a C. Same size as wheel b B. Smaller than the wheel c A. Larger than the wheel 18 7. A wheel and axle increases force because: a C. Axle is smaller than wheel b B. Wheel rotates faster than axle c A. Axle is larger 19 8. Which of the following is a wheel and axle machine? a C. Doorknob b A. Ramp c B. Screw 20 9. What is the main purpose of an inclined plane? a A. Increase speed b B. Reduce force needed c C. Increase weight 21 10. An inclined plane reduces force by: a A. Increasing distance b B. Decreasing distance c C. Increasing mass 22 11. Mechanical advantage of an inclined plane equals: a A. Height ÷ length b C. Weight ÷ force c B. Length ÷ height 23 12. A long, gradual ramp has: a A. Low mechanical advantage b C. High mechanical advantage c B. No mechanical advantage 24 13. A wedge is made of: a B. Two inclined planes back to back b C. A wheel and axle c A. One inclined plane 25 14. Which is an example of a wedge? a B. Knife blade b A. Bicycle c C. Ramp 26 15. A wedge works by: a A. Turning force upward b B. Splitting force into two directions c C. Stopping motion 27 16. A screw is basically a(n): a C. Wheel and axle b B. Inclined plane wrapped around a cylinder c A. Curved lever 28 17. A screw converts force by: a C. Eliminating friction b A. Increasing speed only c B. Applying small force over long distance 29 18. Steeper screw threads require: a B. More force b C. No force c A. Less force 30 19. A compound machine is made of: a A. One simple machine b B. Two or more simple machines c C. No machines 31 20. A pair of scissors is an example of: a A. Wheel and axle b B. Compound machine c C. Inclined plane 32 21. Each arm of scissors acts like a: a C. Spring b A. Wedge c B. Pulley 33 22. A bicycle is an example of a: a A. Simple machine b C. Inclined plane c B. Compound machine 34 23. A fixed pulley does NOT: a B. Increase force b C. Help lift objects c A. Change direction of force 35 24. Work done going up a ramp compared to lifting straight up is: a B. Less b C. The same c A. More 36 25. Machines help mainly by: a B. Increasing energy b C. Changing force or distance c A. Reducing work

Simple Machines

Froggy Jumps

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Froggy Jumps

Simple MachinesVersión en línea

por Mohamed Adawy

What is the main function of a lever?

Which simple machine has a wheel and axle for rotation?

An inclined plane reduces effort by increasing distance. This is called a/an:

A pulley changes the direction of force and can multiply it. This is an example of a/an:

Which simple machine consists of two inclined planes joined together?

The screw is a modified version of which other simple machine?

Which device uses a rope and wheel to lift loads with less effort?

A ramp used to move items to a higher level is an example of a:

A crowbar is a type of which simple machine?

The mechanical advantage of a simple machine is the ratio of output force to:

1. What is the main function of a fixed pulley?

2. The mechanical advantage of a fixed pulley is:

3. A fixed pulley is similar to which simple machine?

4. A moveable pulley mainly helps by:

5. A combination of pulleys is used to:

6. In a wheel and axle, the axle is usually:

7. A wheel and axle increases force because:

8. Which of the following is a wheel and axle machine?

9. What is the main purpose of an inclined plane?

10. An inclined plane reduces force by:

11. Mechanical advantage of an inclined plane equals:

12. A long, gradual ramp has:

13. A wedge is made of:

14. Which is an example of a wedge?

15. A wedge works by:

16. A screw is basically a(n):

17. A screw converts force by:

18. Steeper screw threads require:

19. A compound machine is made of:

20. A pair of scissors is an example of:

21. Each arm of scissors acts like a:

22. A bicycle is an example of a:

23. A fixed pulley does NOT:

24. Work done going up a ramp compared to lifting straight up is:

25. Machines help mainly by: