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.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) friction (c) magnetic force (d) gravity
- 2.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
- 3.💪 Which can a force NOT do? (a) change its shape (b) start it moving (c) change its colour (d) stop it moving
- 4.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
- 5.💪 A cart is pulled to the right with 60 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
- 6.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
- 7.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
- 8.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
- 9.True or false: drawing up a well bucket is a push. (a) True (b) False
- 10.💪 A cart is pulled to the right with 75 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
- 11.True or false: pressing a doorbell is a pull. (a) False (b) True
- 12.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
- 13.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
- 14.💪 Two children push a box to the right, one with 45 N and the other with 30 N. What is the net (total) force on the box, in newtons?
- 15.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
- 16.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
- 17.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) rubbing hands warms them (c) pedalling a cycle (d) a compass needle turns
- 18.True or false: pulling up your socks is a push. (a) True (b) False
- 19.True or false: pushing a trolley is a push. (a) False (b) True
- 20.💪 A force is a … (a) type of sound (b) push or a pull (c) kind of colour (d) unit of time
- 21.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) litre (L) (d) second (s)
- 22.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
- 23.True or false: kicking a football is a push. (a) False (b) True
- 24.💪 Which force is at work: an apple falls down? (a) friction (b) gravity (c) magnetic force (d) muscular force
- 25.💪 Two children push a box to the right, one with 65 N and the other with 25 N. What is the net (total) force on the box, in newtons?
- 26.💪 A cart is pulled to the right with 55 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
- 27.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
- 28.Which of these is caused by muscular force? (a) a magnet picks up pins (b) an apple falls down (c) a river flows downhill (d) lifting a school bag
- 29.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
- 30.Which of these is caused by friction? (a) lifting a school bag (b) pedalling a cycle (c) brakes stop a bicycle (d) squeezing a lemon
- 31.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
- 32.True or false: pulling a cart is a push. (a) True (b) False
- 33.💪 A box weighs 350 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
- 34.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
- 35.Which of these is caused by magnetic force? (a) a rolling ball slows (b) a thrown ball comes down (c) a magnet picks up pins (d) brakes stop a bicycle
- 36.💪 Which force pulls everything towards the Earth? (a) gravity (b) magnetism (c) wind (d) friction
- 37.Which of these is caused by muscular force? (a) an apple falls down (b) a thrown ball comes down (c) pedalling a cycle (d) a rolling ball slows
- 38.💪 A box weighs 100 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
- 39.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
- 40.True or false: pulling a cart is a pull. (a) False (b) True
Answer key
- gravity
- a pull
- change its colour
- a push
- to the left
- friction
- a push
- 90
- False
- no net force
- False
- 10
- magnetic force
- 75
- 11
- a push
- a compass needle turns
- False
- True
- push or a pull
- newton (N)
- a pull
- True
- gravity
- 90
- to the right
- a push
- lifting a school bag
- 590
- brakes stop a bicycle
- 45
- False
- 35
- a push
- a magnet picks up pins
- gravity
- pedalling a cycle
- 10
- a push
- True
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