Engineering Worksheet: Forces
Engineer's tip (Add same way, subtract opposite): Push moves away, pull moves towards; force is measured in newtons (N). Same direction: add. Opposite directions: bigger − smaller, towards the bigger. Weight (N) ≈ mass (kg) × 10.
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- 1.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
- 2.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
- 3.Which of these is caused by friction? (a) a fridge magnet sticks (b) a compass needle turns (c) pedalling a cycle (d) rubbing hands warms them
- 4.💪 Two children push a box to the right, one with 65 N and the other with 75 N. What is the net (total) force on the box, in newtons?
- 5.💪 A bag has a mass of 21 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
- 6.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
- 7.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) muscular force (c) gravity (d) friction
- 8.Which of these is caused by muscular force? (a) an apple falls down (b) a compass needle turns (c) a rolling ball slows (d) squeezing a lemon
- 9.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
- 10.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
- 11.Which of these is caused by magnetic force? (a) a rolling ball slows (b) a compass needle turns (c) pedalling a cycle (d) a river flows downhill
- 12.💪 A cart is pulled to the right with 80 N and to the left with 95 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
- 13.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
- 14.💪 Two children push a box to the right, one with 70 N and the other with 20 N. What is the net (total) force on the box, in newtons?
- 15.💪 A bag has a mass of 11 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
- 16.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) friction (c) gravity (d) muscular force
- 17.💪 A cart is pulled to the right with 70 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
- 18.💪 Which force is at work: shoes grip the floor? (a) gravity (b) friction (c) magnetic force (d) muscular force
- 19.True or false: pulling a cart is a pull. (a) False (b) True
- 20.True or false: drawing up a well bucket is a push. (a) True (b) False
- 21.True or false: pulling up your socks is a pull. (a) True (b) False
- 22.💪 A bag has a mass of 37 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
- 23.💪 A cart is pulled to the right with 30 N and to the left with 30 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
- 24.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 85 N. What is the size of the net force, in newtons?
- 25.💪 Which force is at work: pedalling a cycle? (a) friction (b) magnetic force (c) muscular force (d) gravity
- 26.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
- 27.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) rain falls to the ground (c) lifting a school bag (d) a fridge magnet sticks
- 28.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) a river flows downhill (c) shoes grip the floor (d) a thrown ball comes down
- 29.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
- 30.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) gravity (c) muscular force (d) friction
- 31.💪 Two children push a box to the right, one with 45 N and the other with 60 N. What is the net (total) force on the box, in newtons?
- 32.True or false: pressing a doorbell is a pull. (a) False (b) True
- 33.True or false: drawing up a well bucket is a pull. (a) True (b) False
- 34.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
- 35.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
- 36.💪 A force is a … (a) push or a pull (b) type of sound (c) unit of time (d) kind of colour
- 37.True or false: hitting a cricket ball is a push. (a) False (b) True
- 38.True or false: hitting a cricket ball is a pull. (a) False (b) True
- 39.💪 A cart is pulled to the right with 45 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
- 40.True or false: pulling a cart is a push. (a) False (b) True
Answer key
- a push
- a pull
- rubbing hands warms them
- 140
- 210
- 15
- friction
- squeezing a lemon
- a pull
- gravity
- a compass needle turns
- to the left
- 230
- 90
- 110
- magnetic force
- to the right
- friction
- True
- False
- True
- 370
- no net force
- 15
- muscular force
- change its colour
- lifting a school bag
- a fridge magnet sticks
- a pull
- gravity
- 105
- False
- True
- a pull
- a push
- push or a pull
- True
- False
- to the right
- False
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