Gravity and Projectile Motion Quiz

What force causes a projectile to follow a curved path?

• Magnetic force

• Gravity

• Friction

• Air resistance

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Which of the following is NOT a factor affecting the trajectory of a projectile?

• The angle of launch

• The speed of launch

• The mass of the projectile

• The height of launch

What is the acceleration due to gravity on Earth's surface?

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Which equation represents the horizontal distance traveled by a projectile?

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What is the effect of air resistance on the trajectory of a projectile?

• It makes the trajectory straighter.

• It has no effect.

• It shortens the range of the projectile.

• It increases the range of the projectile.

At what angle of launch will a projectile achieve its maximum range in a vacuum (ignoring air resistance)?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

If a ball is thrown straight up with a velocity of 10 m/s, how long will it take to return to its starting point? (Ignore air resistance)

• 1 second

• 2 seconds

• 10 seconds

• 20 seconds

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What is the initial vertical velocity of a projectile launched at an angle of 30 degrees to the horizontal with a speed of 20 m/s?

• 10 m/s

• 20 m/s

Which of the following statements is true about a projectile launched horizontally?

• Its initial vertical velocity is zero.

• It will reach the ground later than a ball dropped vertically from the same height.

• Its horizontal velocity decreases over time due to gravity.

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