1) What does Newton's first law of motion state? a) An object in motion will stay in motion unless acted upon by an external force. b) Force equals mass x acceleration. c) For every action, there is an equal and opposite reaction. 2) Which of the following is an example of Newton's second law of motion? a) A soccer ball rolling down a hill b) A rocket launching into space c) A person pushing a heavy box across the floor 3) What is the formula for force according to Newton's second law? a) Force = mass x acceleration b) Force = mass ÷ acceleration c) Force = mass + acceleration 4) Which of Newton's laws explains why a seatbelt is important in a car? a) Newton's first law b) Newton's second law c) Newton's third law 5) What is the unit of force in the International System of Units (SI)? a) Newton (N) b) Kilogram (kg) c) Meter (m) 6) According to Newton's third law, if you push against a wall with a force, the wall pushes back with... a) A greater force b) A smaller force c) An equal force 7) Which of Newton's laws explains why a rocket launches into space ? a) Newton's first law b) Newton's second law c) Newton's third law 8) When a car comes to a sudden stop and you jerk forward, what law of motion is being demonstrated? a) Newton's first law b) Newton's second law c) Newton's third law 9) Which law of motion explains why you feel a force pushing you back into your seat when a car accelerates? a) Newton's first law b) Newton's second law c) Newton's third law 10) Which of Newton's laws is also known as the law of Inertia? a) Newton's first law b) Newton's second law c) Newton's third law 11) According to Newton's third law, when you jump off a boat onto a dock, the boat will... a) Move away from the dock in the opposite direction b) Stay still c) Move towards the dock 12) Which of the following is an example of Newton's third law of motion? a) A ball rolling down a hill, with balanced forces b) A plate sitting on a table with unbalanced forces acting in the opposite direction c) A person pushing against a wall, and the wall pushing back with an equal force in the opposite direction 13) Which Law of motion is known as the Law of Action/Reaction? a) Newton's 1st law b) Newton's 2nd law c) Newton's 3rd law 14) Which Law of motion is known as the Law of Acceleration? a) Newton's 1st law b) Newton's 2nd law c) Newton's 3rd law 15) Which Newton's Law explains why a basket ball bounces up after hitting the floor. a) The 1st law b) The 2nd law c) The 3rd law 16) Which Newton's Law states that for every action, there is an equal and opposite reaction? a) The 1st law b) The 2nd law c) The 3rd law 17) If 2 balls with the same mass are rolling down the same hill, the ball with the largest mass will have: a) the least inertia b) the most inertia c) the same inertia as the small mass 18) Which law explains this motion? a) The 1st law b) The 2nd law c) The 3rd law 19) Which law explains this motion?   a) The 1st law b) The 2nd law c) The 3rd law 20) Which law explains this motion?   a) The 1st law b) The 2nd law c) The 3rd law

Newton's Laws! - Checkpoint Review #1!

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