Forces and Newton's Laws of Motion
Quiz by Michelle Haag
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26 questions
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- Q1Where on a magnet is the magnetic field the strongest?in the middleit is the same strength on the entire magnetat the two polesonly at the north pole120sEditDelete
- Q2What is the net force in a tug of war game if one team pulls 1000 N to the left and the other team pulls 1200 N to the right?2200 N left200 N left200 N right2200 N right120sEditDelete
- Q3After rubbing a rubber brush on wool, you are able to use the brush to pick up small strips of paper. What causes the paper to be attracted to the brush?rubbing the brush with the wool give the brush an electric charge that is the same as the electric charge on the paperrubbing the brush with wool gives the brush an electric charge that is weaker than the electric charge on the paperrubbing the brush with wool gives the brush an electric charge that is stronger than the electric charge on the paperrubbing the brush on wool gives the brush an electric charge that is opposite of the electric charge on the paper120sEditDelete
- Q4If a chair is sitting still on the floor, what does that tell us about the forces acting on the chair?The force of gravity is greater than the force of friction because the chair is not moving.The force of friction is greater than the force of gravity because the chair is not moving.The forces are unbalanced because the chair is not moving.The forces are balanced because the chair is not moving.120sEditDelete
- Q5Which of these is an example of Newton’s first law of motion?A box will stay at rest until a force moves it.A box pushes on the floor with a force, and the floor pushes back on the box with a force.The harder I push a box the farther it will move.120sEditDelete
- Q6What does Newton’s 2nd law tell us will happen to a shopping cart as more mass is added to it?It will speed up and turnIt will slow down and continue in the same directionIt will slow down and turnIt will speed up and continue in the same direction120sEditDelete
- Q7If you push a 10 kg box, a 20 kg box, and a 30 kg box each with an equal amount of force, which box will move farther?The 30 kg box because it has more massThey will all move the same distance because the amount of force was the sameThe 10 kg box because it has less massThe 20 kg box because it was pushed harder120sEditDelete
- Q8If you throw a golf ball and a bowling ball and they both land 5 meters away from where they were thrown, what does that tell you about the amount of force used to throw the balls?The bowling ball was thrown with more force because you have to use more force to move something with more mass.The golf ball was thrown with more force because it is easier to move something with less mass.They were thrown with the same amount of force because they went the same distance.30sEditDelete
- Q9If I pull on a door with 50 N of force to open it, how much force is applied to my hand by the door as I pull on it?25 N100 N50 N0 N120sEditDelete
- Q10Which of these describes a pair of action-reaction forces while you are swimming?The force of your hands and legs pushing on the water, and the force of the water pushing back on your hands and legs.The force of gravity on your body, and the force of the water pushing on you.The force of your hands and legs pushing on the water, and the force of gravity pulling you down.120sEditDelete
- Q11One student rubs a balloon against his hair several times. Another student passes a comb through her hair several times. The students place the comb near the balloon and observe that the comb repels the balloon. Which is the most likely reason the comb is able to repel the balloon?the balloon and the comb have the same electrical chargethe balloon has a positive charge and comb is neutral.the balloon and comb have opposite charges.the balloon has a negative charge and the comb is neutral.120sEditDelete
- Q12The gravitational force on an object on the Moon is 1/6 that of the same object on Earth. Why is gravity on the moon less than gravity on Earth?because Earth is rotating at a faster rate than the Moon is rotatingbecause the distance from Earth to the object has increasedbecause the mass of the Moon is less than the mass of Earthbecause the pull on the object from Earth counteracts the pull from the Moon120sEditDelete
- Q13What happens when the north pole on one magnet is moved close to the south pole on another magnet?a repulsive force causes the magnets to move back and forthan attractive force causes the magnets to move towards each otheran attractive force causes the magnets to move back and fortha repulsive force causes the magnets to move away from each other120sEditDelete
- Q14What does Newton’s 1st law of motion tell us about the expected motion of a kickball rolling across the floor?The ball will roll faster if it has less mass.The ball speeds up as it rolls across the floor.The ball will keep rolling until a force stops it.120sEditDelete
- Q15Which of these would cause an electromagnet to become weaker?using a bigger nailusing a bigger batteryusing more wireusing a smaller battery120sEditDelete
- Q16Which is needed to determine the amount of gravitational force between two objects?volume and massarea and weightdistance and massweight and time120sEditDelete
- Q17The amount of gravitational attraction between the Moon and an astronaut standing on its surface depends on the astronaut's distance from the center of the Moon and the astronaut'sshapeweightheightmass120sEditDelete
- Q18Students are doing an experiment in which they place plants in rooms that have different temperatures and then they count the number of flowers produced by the plants. Which of these is the best testable question for this experiment?How does how tall a plant grows affect the temperature?How does the temperature affect the number of flowers on a plant?How does temperature affect how tall a plant grows?How does the number of flowers on a plant affect the temperature?120sEditDelete
- Q19Students are doing an experiment in which they place plants in rooms that have different temperatures and then they count the number of flowers produced by the plants. Which of these is the best hypothesis for the experiment?If the number of flowers on a plant increases then the temperature will increase.If the height of the plant increases then the temperature will increase.If the temperature increases then the height of the plant will increase.If the temperature increases then the number of flowers on a plant will increase.120sEditDelete
- Q20Which is the best example of Newton's 3rd law of motion?a heavier ball falls at the same speed as a lighter balla book slides forward on a seat when the car stopsa rocket takes off from the grounda vehicle rounds the curve and changes its acceleration120sEditDelete