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PIMSO 2025 - Science - Primary 6 - National Round Question 14

PIMSO Science · PIMSO 2025 - Science - Primary 6 - National Round

Question 14

Bong kicked a ball into the air and it travelled in the path as shown below before rolling to stop. Which one of the following statements is correct?

Question illustration

Use ordinary motion in air and treat gravity as constant over this small height.
  1. The amount of gravity acting on the ball decreased when the ball travelled from X to Y and increased when it dropped from Y to Z.
  2. There are no other forces acting on the ball from X to Y except gravity.
  3. Gravity acted on the ball only when it travelled from Y and Z.
  4. The amount of gravity acting on the ball when it travelled from X to Z is the same.