Advanced Science Primary 6 Interactions

A ball is dropped from a height. Which of the following statements about the forces acting on the ball while it is falling is TRUE?

A Gravity is a non-contact force that acts on the ball throughout its flight.
B Air resistance acts in the same direction as gravity.
C Gravitational force only acts when the ball hits the ground.
D There are no forces acting on the ball while it is in the air.
Show Worked Solution

Worked Solution

Step 1: Gravity is an attractive force pulling objects towards Earth's centre. Step [2-9]: It is a non-contact force because it acts even when objects are not touching. Step [2-9]: It acts constantly on any object with mass.

Correct answer: Gravity is a non-contact force that acts on the ball throughout its flight.

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