Unit 3 Forces
Quiz by Chelsea Brink
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10 questions
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- Q1What is the SI unit for force?kg*m/sMeterPoundNewton30s
- Q2If Karen pushes an object to the left with 12 N force and Helen pushes the object to right with 8 N of force, what is the net force acting on the object?4N to the right4N to the left20 N to the left20N to the right30s
- Q3What force opposes motion when two object are touching?WeightAir ResistanceGravityFriction30s
- Q4What two things influence gravitational pull?Mass and VelocityMass and DistanceMass and SizeDistance and Velocity30s
- Q5What explains why when your car hits a brick wall, your body continues moving forward?Newton's Third Law of MotionNewton's Second Law of MotionLaw of Conservation of MomentumNewton's First Law of Motion30s
- Q6A truck carrying with a momentum of 100 kg*m/s crashes into a parked car. What is the total momentum of the truck and car AFTER the collision?Not enough information50 kg*m/s0 kg*m/s100 kg*m/s30s
- Q7What is the rate of gravitational acceleration?9.8 m/s/s8.9 m/s9.8 m/s8.9 m/s/s30s
- Q8A boy on Earth has a mass of 50 kg. What is weight on Earth?490N490lb50kg50lb30s
- Q9A boy on Earth has mass of 50kg. What is mass on the moon?50N50kg84N490kg30s
- Q10If it takes 20N of force to kick a ball at a rate of 5m/s/s, what is the mass of the ball?100kg20kg0.25kg4 kg30s