Physics Force & Motion MDCAT 2019
PMDC Verified Question 113 of 137
For projectile motion in the absence of air resistance:
A
Vertical speed is constant
B
Horizontal acceleration is zero
C
Horizontal force is constant
D
Vertical acceleration is zero
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Horizontal acceleration is zero
Concept:

No horizontal forces means no horizontal acceleration.

Solution:

  • \( a_x = 0 \).


Why other options are incorrect:

Gravity acts vertically.

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