science9 4thquarter quiz SY 2024

What is projectile motion?

• Projectile motion is the motion of an object with no external forces acting on it

• Projectile motion is the motion of an object in a straight line

• Projectile motion is the motion of an object thrown or projected into the air, subject only to the acceleration of gravity.

• Projectile motion is the motion of an object with constant speed

What are the two components of projectile motion?

• Horizontal motion and vertical motion

• Leftward motion and rightward motion

• Forward motion and backward motion

• Upward motion and downward motion

How does the horizontal component of velocity change during projectile motion?

• It remains constant.

• It increases linearly.

• It fluctuates randomly.

• It decreases continuously.

How does the vertical component of velocity change during projectile motion?

• The vertical component of velocity is always zero during projectile motion.

• The vertical component of velocity increases as the projectile moves upward and decreases as it moves downward.

• The vertical component of velocity decreases as the projectile moves upward, becomes zero at the peak, and then increases in the downward direction.

• The vertical component of velocity remains constant throughout projectile motion.

What is the path followed by a projectile called?

• trajectory

• pathway

• direction

• route

How does air resistance affect projectile motion?

• Air resistance increases the horizontal range of a projectile

• Air resistance has no effect on the maximum height of a projectile

• Air resistance decreases the horizontal range and maximum height of a projectile.

• Air resistance causes a projectile to travel faster

Explain the concept of range in projectile motion.

• The range in projectile motion is the angle at which the projectile is launched.

• The range in projectile motion is the vertical distance traveled by the projectile before hitting the ground.

• The range in projectile motion is the horizontal distance traveled by the projectile before hitting the ground.

• The range in projectile motion is the time taken for the projectile to reach its maximum height.

What is the relationship between impulse and momentum?

• Impulse is the rate of change of momentum

• Impulse is the same as momentum

• Impulse and momentum are unrelated

• Impulse is the force applied to an object

How does the mass of an object affect its momentum?

• The mass of an object has no effect on its momentum

• The momentum of an object is directly proportional to its mass

• The momentum of an object is inversely proportional to its mass

• The momentum of an object is equal to its mass squared

Explain the concept of conservation of momentum.

• Conservation of momentum states that the total momentum of a system remains constant if no external forces are acting on it

• Conservation of momentum means that momentum can be created or destroyed

• Conservation of momentum only applies to objects at rest

• Conservation of momentum is not a valid physical principle