Find the force it would take to accelerate an 800-kg car at a rate of 5m/s2.

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.

Which of these metals are magnetic?

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit