Foundation Science Primary 6 Interactions

Which of the following is an effect of a force acting on an object?

A It can change the speed of the object.
B It can decrease the amount of matter in the object.
C It can change the mass of the object.
D It can change the material the object is made of.
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Worked Solution

Step 1: Recall the effects of forces: change shape, change speed (accelerate/decelerate), change direction, or stop/start motion. Step [2-9]: Evaluate the options. Only changing speed is a valid effect of a force. Step [2-9]: Final Answer: It can change the speed of the object.

Correct answer: It can change the speed of the object.

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