Question

Write 20 examples each for all the 7 types of forces.
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Answer 1

Explanation:

Applied Force:

• You can push on a door to open it
• You can lift an object off the floor
• You can throw a ball
• The wind can push you
• A machine can push something

Gravitational Force:

• The force that holds the gases in the sun.
• The force that causes a ball you throw in the air to come down again.
• The force that causes a car to coast downhill even when you aren't stepping on the gas.
• The force that causes a glass you drop to fall to the floor.
• The force that keeps the Earth and all of the planets in line in the proper position in their orbits around the sun.
• The force that propels a toddler down a slide.
• The force that causes the moon to revolve around the Earth.
• The force that keeps Jupiter's moons located around the planet.
• The force from the moon that causes the tides of the ocean.
• The force that causes your drink to rest at the bottom of your glass instead of hovering near the top of your glass.
• The force that causes an apple to fall downward from an apple tree.
• The force that keeps you walking on Earth instead of floating away into space.
• The force that causes a pen that rolls off of your desk to fall onto the floor.
• The force that causes a piece of paper that is blowing in the wind to eventually come back down to Earth.
• The force that causes a balloon that is out of helium to come back down to the ground.
• The force that causes a jump rope to come back to the ground after you swing it over your head.
• The force that causes a lock of your hair to fall to the floor after it has been cut off.
• The force that causes a rock to roll downhill.

Normal Force:

• Weight force (i.e. the weight of something)
• The force of a bat on the ball.
• The force of the hair brush on hair when it is being brushed.
• The force of your foot pushing on the pedal when you ride your bike.

Frictional Force:

• Driving of a a vehicle on a surface.
• Applying brakes to stop a moving vehicle.
• Skating.
• Walking on the road.
• Writing on notebook/ blackboard.
• Flying of aeroplanes.
• Drilling a nail into wall.
• Sliding on a garden slide.

Air Resistance Force:

• Parachute.
• Walking in Storm.
• Feather Falling on the Ground.
• Paper Plane.
• Light Objects Floating.
• Aeroplane.
• Tree Shedding Leaves.

Tension Force:

• Car Towing.
• Pulling a Bucket of Water from Well.
• Weighing.
• Gym Equipment.
• Crane Machine.
• Whirligig.
• Tug of war.
• Pulling a block with the help of a rope.

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Answer 2

1 The force of a bat on ball

2 The force of hair brush on hair

3 The force on your feet while pedaling

4 opening and closing door

5 pushing a car

6 pulling a cart

7 Dragging a suitcase

8 Inserting and removing plug

9 Squeezing wet clothes

10 Running

11 playing football

12 Applying brake to stop a vehicle

13 Lifting a bucket

14 Breathing

15 while picking up the phone

16 Rubbing a glass rod with silk cloth

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