Grade 11 · Science
Use net force to calculate acceleration
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A 2 kg cart experiences forces of 12 N right and 4 N left. What is its acceleration magnitude?
- 4 m/s2
- 3 m/s2
- 2 m/s2
- 1 m/s2
See the answer & why
4 m/s2
Net force = 12 − 4 = 8 N right; a = 8 ÷ 2 = 4 m/s2.
A little hint: Find the net force, combining all stated forces with direction.
Find the net force, combining all stated forces with direction.
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