Parachutes Quiz

What is the main force that acts on a parachute during its descent?

• magnetic force

• gravity

• friction

• air resistance

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How does air resistance affect the descent of a parachute?

• Air resistance speeds up the descent of a parachute.

• Air resistance has no effect on the descent of a parachute.

• Air resistance slows down the descent of a parachute.

• Air resistance causes the parachute to fall straight down without slowing down.

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What is terminal velocity?

• The maximum velocity that an object can reach when falling through a fluid.

• The velocity of an object in space

• The speed at which an object stops moving

• The acceleration of an object in free fall

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How does the shape of a parachute affect its descent?

• The shape of a parachute affects its descent by increasing or decreasing air resistance.

• The shape of a parachute affects its descent by changing its weight.

• The shape of a parachute has no effect on its descent.

• The shape of a parachute affects its descent by altering its color.

What factors can affect the landing of a parachute?

• Weight, size and shape of the parachute, air density, wind speed and direction, angle of descent

• Material of the parachute, altitude, humidity

• Color of the parachute, temperature, time of day

• Number of people on the parachute, type of aircraft, visibility

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True or False: Gravity pulls the parachute downward.

• False

• Gravity has no effect on the parachute

• True

• Gravity pulls the parachute sideways

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What is the purpose of a parachute's canopy?

• To create air resistance and slow down descent

• To carry additional weight during descent.

• To increase speed during descent.

• To provide shade during descent.

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What happens to the air pressure above and below a parachute during descent?

• The air pressure above the parachute increases, while the air pressure below the parachute decreases.

• The air pressure remains the same above and below the parachute.

• The air pressure above the parachute increases, while the air pressure below the parachute remains the same.

• The air pressure above the parachute decreases, while the air pressure below the parachute increases.

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What is the ideal shape for a parachute?

• Dome or hemisphere

• Square

• Triangle

• Cylinder

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What techniques can be used to control the landing of a parachute?

• Waving arms and legs

• Blowing air into the parachute

• Using a remote control

• Adjusting canopy shape, using steering lines or toggles, manipulating body position