CT NGSS Science Grade 5 Practice Questions - Connecticut NGSS Science Assessment - Grade 5 Exam

A cart is at rest on a flat classroom floor. What must happen for the cart to start moving?

Friction must disappear so the cart can begin rolling on its own An unbalanced force must act on the cart Balanced forces on all sides must stay equal forever The cart must become warmer without any push or pull

Correct Answer:

An unbalanced force must act on the cart

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