Page 30 - Science Course 2 (Book 2)

Mo8-L3: Key Concept Check

Direction: Use the equation to answer each question

1. A boy throws a 1-kg rock with a force of 5 N. What is the acceleration of the rock when he lets go of it?

2. A toy boat accelerates through calm water at 2.5 m/s2 powered by a motor exerting a net force of 5 N.
What is the mass of the boat?

3. A net force pushing a 15-kg wagon on a level road results in an acceleration of 2 m/s2.
What is the net force?

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