This problem requires the application of Newton's second law:
Newton's second law:
A 10-kg block is pushed across a friction-free horizontal surface with a horizontal force of 20 N. The acceleration of the block is?
A) 1 m/s2
B) 2 m/s2
C) 5 m/s2
D) 10 m/s2
E) none of the above
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What scientific concept do you need to know in order to solve this problem?
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