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How is it true that a projectile is a body in motion that cannot be treated as a particle?
A projectile is a body in motion under the influence of both gravity and air resistance, which makes its motion more complex than that of a particle with negligible size and air resistance. The trajectory of a projectile is affected by these forces, causing variations in its speed and direction during flight, whereas a particle typically moves in a straight line at a constant speed.
True or false the motion of an object thrown at an angle is projectile motion?
True. Projectile motion describes the curved path an object follows when thrown or projected near the Earth's surface, under the influence of gravity, while also moving horizontally.
Projectile motion always involves downward movement?
This is not true. Projectile motion consists of an object moving in a two-dimensional plane under the influence of gravity. While the vertical component of the motion may involve a downward movement, the horizontal component can be in any direction.
A car driving around a track is an example of projectile motion?
Actually, a car driving around a track is an example of circular motion, not projectile motion. In projectile motion, an object is launched into the air and follows a curved path due to gravity. Circular motion involves an object moving in a circular path around a center point.
Is it true that the motion of an object thrown at an angle is projectile motion?
Yes, that's correct. Projectile motion is the motion of an object that is thrown or launched into the air and moves under the influence of gravity. When an object is thrown at an angle, it follows a curved path known as projectile motion, which can be analyzed using equations of motion.
How is it true that a projectile is a body in motion that cannot be treated as a particle?
A projectile is a body in motion under the influence of both gravity and air resistance, which makes its motion more complex than that of a particle with negligible size and air resistance. The trajectory of a projectile is affected by these forces, causing variations in its speed and direction during flight, whereas a particle typically moves in a straight line at a constant speed.
Is it true that the vertical motion of a projectile is uniformly accelerated motion?
Yes.
True or false the motion of an object thrown at an angle is projectile motion?
True. Projectile motion describes the curved path an object follows when thrown or projected near the Earth's surface, under the influence of gravity, while also moving horizontally.
True or false The components of projectile motion affect each other?
false
Projectile motion always involves downward movement?
This is not true. Projectile motion consists of an object moving in a two-dimensional plane under the influence of gravity. While the vertical component of the motion may involve a downward movement, the horizontal component can be in any direction.
A car driving around a track is an example of projectile motion?
Actually, a car driving around a track is an example of circular motion, not projectile motion. In projectile motion, an object is launched into the air and follows a curved path due to gravity. Circular motion involves an object moving in a circular path around a center point.
Is it true that the motion of an object thrown at an angle is projectile motion?
Yes, that's correct. Projectile motion is the motion of an object that is thrown or launched into the air and moves under the influence of gravity. When an object is thrown at an angle, it follows a curved path known as projectile motion, which can be analyzed using equations of motion.
Is it true or false that an object projectile motion is constant motion?
False. In projectile motion, the object moves in a curved path under the influence of gravity. The vertical motion is accelerated due to gravity, while the horizontal motion remains constant (assuming no external forces).
In the absence of air friction does the horizontal component of a projectile's velocity change as the projectile moves is this True False?
A projectile will travel on a straight line unless external forces act upon it. Gravity will pull the projectile downward, i.e. affect its vertical velocity component. This is why the projectile will decelerate upwards, reach a maximum elevation, and accelerate back down to earth. The force vector of air resistance points in the opposite direction of motion, slowing the projectile down. For example, If the projectile is going forward and up, air resistance is pushing it backwards (horizontal component) and down (vertical component). Without air resistance, there is no external force acting upon the horizontal velocity component and the projectiles ground speed will stay constant as it gains altitude and falls back down to earth.
Why does a projectile maintain its horizontal component of velocity?
Because there's no horizontal force acting on it that would change its horizontal component of velocity. (In practice, that's not completely true, since the frictional 'force' of air resistance acts in any direction. But outside of air resistance, there's nothing else acting horizontally on the projectile.)
Is the following statement true or false An object sliding along a horizontal table is an example of projectile motion?
False. Projectile motion involves an object being launched into the air at an angle and moving along a curved path under the influence of gravity. An object sliding along a horizontal table does not exhibit projectile motion as it is not launched into the air.
Is it true that a projectile launched into space at any angle will have a constant horizontal velocity?
Yes, in the absence of air resistance, a projectile launched into space at any angle will have a constant horizontal velocity. This is because there are no horizontal forces acting on the projectile once it is launched.
