Newton laws of motionVersión en línea Newton laws por Knight Sirapob 1 What is Newton first law Choose one or more answers a Action-reaction b inertia c F=ma d momentum 2 What is Newton first law explanation a object will remain at rest or move at constant velocity unless an unbalanced force is acting on it b force is proportional to mass and acceleration c objects acts to each other and force are equal d gravity 3 what is f=ma Choose one or more answers a Newton third law b Newton first law c projectile d Newton second law 4 What is the acceleration of 20 kg cart that is pushed by 100 N force Choose one or more answers a 200 m/s2 b 5 m/s2 c 5 N d 120 m 5 car has a mass of 1000 kg it accelerates at 10 m/s2 what is the force of the car Choose one or more answers a 10000 N b 10000 m/s c 100 N d 10 kg 6 What is Newton third law Choose one or more answers a inertia b E=mc2 c F=ma d action- reaction 7 Explain how airplanes work Choose one or more answers a someone push it b magic c it push the air and air push back d inertia 8 What is the reaction force to gravity a friction b moment c normal d momentum 9 Why will the coin drop into the glass when a force accelerates the card a first law inertia b gravity c third law d second law 10 Earth has gravity that pulls the moon and the moon has gravity that pulls earth which one pulls with greater force a earth b same c moon d they dont pull
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