How does velocity of release affect a projectile's flight?

Projectiles and gravity, weight, velocity, height and angle of release, the shot put below 45°, air resistance, parabolic flight, Newton's laws and the shuttlecock.

What you need to know

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Key term

What is a projectile?

Key term

What is the effect of gravity on a projectile?

Key term

How is weight calculated?

Questions from this subtopic

Each one with the model answer underneath.

1
What is a projectile?
Model answer
A projectile is a body launched into the air that is then subject only to weight and air resistance. A shot, javelin and ball are examples.
2
What is the effect of gravity on a projectile?
Model answer
Gravity pulls the projectile towards the ground. Weight acts downwards throughout the flight.
3
How is weight calculated?
Model answer
Weight is mass multiplied by the acceleration due to gravity. A 75 kg athlete weighs 75 × 9.8 = 735 N.
4
How does velocity of release affect a projectile's flight?
Model answer
A greater release velocity carries the projectile further. Velocity of release is the most important factor.
5
How does height of release affect a projectile's flight?
Model answer
A greater release height gives the projectile longer in the air. The projectile travels further horizontally.
6
How does angle of release affect a projectile's flight?
Model answer
The best angle is 45° when release and landing heights are equal. A lower angle is best when release is above landing height.

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