Newton's LawsOnline version Watch the video and answer the questions. by Judith Bilbao Rodríguez 1 What will happen if you're in a car, and the driver slams on the brake? Select one or more answers a You will stop moving. b You will continue moving forward. c You will gradually slow down. d You will speed up. 2 Ordinarily, gravity and the normal force counterbalance each other. In other words: Select one or more answers a They reinforce each other b They have no effect on one another c They act on you at all times d They cancel each other out 3 According to Newton's first law, an object in motion will stay in motion unless: Select one or more answers a An opposing force acts on it. b It's in outer space. c It stops. d It remains at rest. 4 If an unbalanced force acts on an object, what will happen? Select one or more answers a It will not move at all. b It will accelerate in the same direction as the force. c It will accelerate in the opposite direction to the force. d It will accelerate at an angle of 90 degrees to the force. 5 If you want to increase the acceleration of a baseball when you throw it, what must you increase to make this happen? Select one or more answers a Mass b Force c Acceleration d Speed 6 A kid applies a force of 10 N to a 10 kg wagon. How much does it accelerate? Select one or more answers a 100 m/s2 b 1 m/s2 c 100 N d 1 N 7 According to Newton's third law, what happens when you push against a wall? Select one or more answers a The wall pushes back at you half as hard as you push against it. b The wall doesn't resist at all. c The wall pushes back at you with the same amount of force. d The wall pushes back at you twice as hard as you push against it.
New game