1) Balanced vs. Unbalanced Forces: When forces are balanced (1st Law), the motion of an object a) Changes b) Does not change 2) Balanced vs. Unbalanced Forces: When forces are unbalanced (2nd Law), the motion of an object a) Changes b) Does not change 3) Applied Force is a force that is a) applied by a person only b) a new military branch c) applied by another object only d) applied by a person or another object 4) Gravitational Force is the force with which the _______, _________, or other objects _____________ another object ___________ itself. a) earth, stars, attracts, towards b) earth, stars, repels, away from c) earth, moon, attracts, towards d) earth, moon, repels, away from 5) Normal Force is the _________ force exerted upon an object that is in contact with another __________ object a) frictional, moving b) stable, support c) dark, deadly d) support, stable 6) Air Resistance is a type of __________ force exerted by a surface that _________ the motion of another object moving on the surface. a) frictional, resists b) windy, farts c) frictional, supports d) applied, propels 7) Frictional Force is the force exerted by a surface that __________ the motion of an object moving on the surface. a) supports b) stops c) propels d) resists 8) Tension is the force that is __________ through a string, rope, cable, or wire, when it is pulled tight by forced acting from __________ends. a) transmitted, opposite b) transmitted, stable c) propelled, opposite d) propelled, stable 9) Spring force is force that is exerted by a ______________ or ______________ spring upon any object that is _____________________. a) compressed, stretched, near it b) compressed, stretched, attached to it c) flimsy, limp, attracted to it d) strong, rigid, near it 10) Inertia is the tendency of all objects to resist a change in motion. a) True b) False 11) Every object has ________. a) a brain b) fidget spinners c) gravity d) mass 12) What force between masses can cause motion? a) free fall b) gravity c) inertia d) Newton's 3rd Law 13) Everything is falling toward Earth at the same rate and makes it look like they are racing towards Earth. a) True b) False 14) Mass is a measurement of a) yo' momma's butt. b) how much this is that matters. c) how much matter there is. d) the matter on Earth. 15) If you drop an object with a large mass and an object with a small mass in a vacuum, they will hit the ground at the same time. a) True b) False 16) All objects with ______ attract all other objects with ______.  a) gravity, mass b) mass, gravity c) gravity, gravity d) mass, mass 17) All objects with mass are also attracted BY other objects that have mass--meaning attraction due to gravity goes both ways. a) True b) False 18) ________, and _________ in the solar system orbit the sun. a) Moons, stars b) Stars, planets c) Earth, the other planets d) The other planets, their moons 19) Earth and the other planets in the solar system orbit the sun. What are these orbits caused by? a) inertia and mass b) gravity and inertia c) gravity only d) gravity and mass 20) The result of gravity and intertia acting on Earth is that it a) spins around on an axis b) rotates around the moon c) moves around the sun in an ellipsis 21) The greater the mass, the greater the ______. a) inertia b) explosion c) worship d) force 22) The greater the distance between objects, the ________ the force. a) greater b) smaller c) mediumier 23) Force is ________ proportional to the square of the distance between objects. a) inversely b) directly c) marginally

Unit 7, Forces and Motion Quiz

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