Projectile Motion and 2D Motion Quiz

What happens to the velocity of a ball as it reaches its maximum height during upward motion?

• It remains constant.

• It doubles.

• It becomes zero.

• It becomes maximum.

In the absence of frictional forces, how does a ball move on a surface?

• It moves with decreasing velocity.

• It stops immediately.

• It moves with increasing velocity.

• It moves with constant velocity.

What type of path does a projectile follow?

• Linear

• Circular

• Parabolic

• Elliptical

How do you calculate the horizontal component of velocity for a projectile?

• u cos theta

• u sin theta

• u tan theta

• u sec theta

Which force acts on a projectile in an ideal scenario?

• Gravity

• Magnetic force

• Friction

• Air resistance

What happens to the vertical velocity of a projectile as it ascends?

• It remains constant.

• It becomes negative.

• It increases.

• It decreases.

At maximum height, what is the vertical component of a projectile's velocity?

• Equal to horizontal velocity

• Negative

• Zero

• Maximum

What is the horizontal velocity of a projectile at maximum height?

• Zero

• Equal to vertical velocity

• Constant

• Negative

What does a negative sign in vertical velocity indicate?

• Constant speed

• Smaller value

• Larger value

• Opposite direction

According to Newton's law, what is the net force in the x-direction for a projectile?

• Equal to gravity

• Equal to friction

• Zero

• Equal to air resistance