14 Questions
Why is a ship able to stay on the surface of the sea despite gravity pulling us towards the center of the Earth?
The ship's buoyancy counteracts the force of gravity.
What force causes the spinning coin to come to a complete stop?
Frictional force
What type of force is gravity according to the text?
Non-contact force
Why isn't the woman sitting down pulled through her chair by gravity?
Normal force from the chair balances the force of gravity.
What is the force that acts when you push or pull an object according to the text?
Applied force
Why do all objects fall onto the ground when released from a height according to the text?
Because gravity pulls objects towards the center of the Earth
What do forces always act in according to the text?
Pairs
Which type of force allows objects to float in a liquid?
$F_{buoyancy}$ force
"The woman sitting down" scenario highlights the balance between:
'Normal' and 'Gravitational' forces
Match the forces with their descriptions:
Applied force = Force that acts when you push or pull an object Gravity = Force that pulls us towards the centre of the Earth Frictional force = Force that opposes the motion of objects Normal force = Force exerted by a surface to support the weight of an object
Match the following actions with the forces involved:
Spinning a coin with fingers = Applied force Object coming to a complete stop = Frictional force Woman sitting down without falling through chair = Normal force Objects falling onto the ground from a height = Gravity
Match the scenarios with the correct explanations:
Ship staying on the surface of the sea = Buoyant force exceeds gravitational force Coin spinning continuously = Balanced forces acting on it Object sliding down a slope = Gravity and frictional force in opposite directions Person lifting a heavy box = Applied force overcoming gravitational force
Match the concepts with their characteristics:
Net force = Resultant force after considering all forces acting on an object Action-reaction pair = Forces always occur in equal and opposite pairs Force of tension = Force transmitted through a string, rope, or cable when pulled tight Air resistance = Force opposing the motion of objects through air
Match the activities with the forces being demonstrated:
Dropping an object from a height = Gravity Sliding an object on a smooth surface = Minimal frictional force Stretching a rubber band = Force of tension Running against strong wind = Air resistance
This quiz explores different types of forces in science, including gravity and surface tension. It covers identifying forces, improving investigations, and using science to support arguments. Questions include scenarios like why a ship can stay on the sea surface despite gravity, and what forces act on a coin.
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