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CodeVID-M5-WS
Simple Machines — Practice Worksheet
Chapter: Simple Machines
Topic: Simple Machines
Maximum Marks: 25
Time: 30 minutes
Name: ____________________ Roll No.: __________ Date: ____________

General Instructions

  • All questions are compulsory.
  • Choose the correct option (A, B, C or D) for each question.
  • The answer key is at the end — try the paper first!
Section A — Multiple Choice (1 mark each) 15 × 1 = 15 marks
1.
A bicycle uses many simple machines, such as levers (brakes), and wheels with…
  • A.Pulleys only
  • B.Ramps
  • C.Wedges only
  • D.Axles
2.
A bottle opener that lifts a cap works as a…
  • A.Wheel
  • B.Pulley
  • C.Lever
  • D.Ramp
3.
A complex machine like a bicycle is really made of several…
  • A.Clouds
  • B.Simple machines working together
  • C.Animals
  • D.Rivers
4.
Wheels make moving loads easier because they reduce…
  • A.Light
  • B.Colour
  • C.Weight
  • D.Friction
5.
A ramp helps us move a heavy box into a truck using…
  • A.More force
  • B.Less force
  • C.No box
  • D.Only a rope
6.
A pair of scissors uses two levers and two…
  • A.Ramps
  • B.Pulleys
  • C.Wheels
  • D.Wedges (blades)
7.
A pulley is often used to draw water from a…
  • A.Well
  • B.Cloud
  • C.Tree
  • D.Star
8.
The six simple machines include the lever, the pulley and the…
  • A.Fridge
  • B.Television
  • C.Computer
  • D.Inclined plane
9.
Why is it easier to open a tin with a long-handled opener than a short one?
  • A.It is heavier
  • B.It is colourful
  • C.A longer arm needs less force
  • D.It is shorter
10.
Simple machines help us by needing less…
  • A.Sound
  • B.Colour
  • C.Effort (force)
  • D.Light
11.
Which of these is a lever?
  • A.A crowbar
  • B.A ramp
  • C.A ladder flat
  • D.A wheel alone
12.
Which is a wedge?
  • A.A see-saw
  • B.A wheel
  • C.A rope
  • D.An axe blade
13.
A see-saw is an everyday example of a…
  • A.Wedge
  • B.Pulley
  • C.Screw
  • D.Lever
14.
A slanting surface used to move loads up or down is an…
  • A.Inclined plane
  • B.Pulley
  • C.Lever
  • D.Wheel
15.
A wheel turning on a rod through its centre is a wheel-and-…
  • A.Rope
  • B.Axle
  • C.Wedge
  • D.Lever
Section B — Challenge / Olympiad (2 marks each) 5 × 2 = 10 marks
16.
Spotting simple machines in daily tools helps us understand that machines are not always…
  • A.Big or full of engines
  • B.Useful
  • C.Made of metal
  • D.Around us
17.
A screw is really an inclined plane wrapped around a…
  • A.Rope
  • B.Wheel
  • C.Rod (cylinder)
  • D.Ball
18.
A machine does not give us free energy; it mainly changes the ___ we apply.
  • A.Sound
  • B.Colour
  • C.Direction or size of the force
  • D.Weather
19.
A flag is raised to the top of a tall pole easily using a pulley because the pulley lets us…
  • A.Make the pole shorter
  • B.Pull down while the flag goes up
  • C.Remove gravity
  • D.Heat the rope
20.
On a see-saw, a lighter child can balance a heavier one by sitting…
  • A.On the ground
  • B.Closer to the fulcrum
  • C.On the heavier side
  • D.Farther from the fulcrum

Answer Key

Section A — Multiple Choice (1 mark each)
  1. (D) Axles
  2. (C) Lever
  3. (B) Simple machines working together
  4. (D) Friction
  5. (B) Less force
  6. (D) Wedges (blades)
  7. (A) Well
  8. (D) Inclined plane
  9. (C) A longer arm needs less force
  10. (C) Effort (force)
  11. (A) A crowbar
  12. (D) An axe blade
  13. (D) Lever
  14. (A) Inclined plane
  15. (B) Axle
Section B — Challenge / Olympiad (2 marks each)
  1. (A) Big or full of engines
  2. (C) Rod (cylinder)
  3. (C) Direction or size of the force
  4. (B) Pull down while the flag goes up
  5. (D) Farther from the fulcrum
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