newton's 3 laws of motionVersion en ligne select answer par Fresh Tumsud 1 What is the push or pull on an object that can cause it to accelerate called? Choose one or more answers a a. mass b b. force c c. density d d. speed 2 What is the unit of measure for force? Choose one or more answers a a. Amp b b. seconds c c. Erg d d. Newton 3 In a tug of war, when one team is pulling with a force of 100 N and the other 80 N, what is the net force? Choose one or more answers a a. 20 N b b. 80 N c c. 100 N d d. 180 N 4 Newton's First Law of Motion is also called: Choose one or more answers a a. Law of Friction b b. Law of Inertia c c. Law of Reaction d d. Law of Action 5 What does Newton's Second Law of Motion state? Choose one or more answers a a. a = mF b b. F = ma c c. F = m/a d d. m = Fa 6 How much net force is required to accelerate a 2000 kg car at 3.00 m/s2? Choose one or more answers a a. 6000 N b b. 80 N c c. 4000 N d d. 8000 N 7 A push or pull is ......... Choose one or more answers a a. football b b. object c c. organism d d .force 8 The normal force acts on any object that: Choose one or more answers a a. Is in a gravity well b b. In in the air . c c. Touches a surface d d. Is in a vacuum 9 If a net force of 7 N was constantly applied on 400 g object at rest, how long will it take to raise its velocity to 80 m/s? Choose one or more answers a a. 0 s b b. 4.57 s . c c. 3.47 s d d. 2.23 s 10 How big is the net force acting on an object with constant velocity? Choose one or more answers a a. 0 N b b. 1 N c c. 10 N d d. 100 N
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