Chapter 10 Study Guide

Question 1

a push or pull

Answer 1

Force

Question 2

the SI unit for the magnitude or strength of a force

Answer 2

Newton

Question 3

the combination of all forced acting on an object

Answer 3

net force

Question 4

causes the velocity of an object to change

Answer 4

unbalanced forces

Question 5

equal forces acting on one object in opposite directions

Answer 5

balanced forces

Question 6

a force that two surfaces exert on each other when they rub against each other

Answer 6

friction

Question 7

the friction that acts on objects that aren’t moving

Answer 7

static friction

Question 8

occurs when two solid surfaces slide over each other

Answer 8

sliding friction

Question 9

when an object rolls across a surface

Answer 9

rolling friction

Question 10

occurs when a solid object moves through a fluid

Answer 10

fluid friction

Question 11

a force that pulls objects towards each other

Answer 11

gravity

Question 12

the measure of the amount of matter in an object

Answer 12

mass

Question 13

the gravitational force exerted on a person or object at the surface of a planet

Answer 13

weight

Question 14

when the only force acting on an object is gravity

Answer 14

free fall

Question 15

a type of fluid friction that acts on objects falling through the air

Answer 15

air resistance

Question 16

an object that is thrown

Answer 16

projectile

Question 17

an elastic force that squeezes or pushes matter together

Answer 17

compression

Question 18

an elastic force that stretches or pulls matter

Answer 18

tension

Question 19

the tendency of an object to resists a change in motion

Answer 19

inertia

Question 20

a characteristic of a moving object that depends on both the mass and the velocity of the object

Answer 20

momentum

Question 21

states that, in the absence of outside forces, the total momentum of objects that interact does not change

Answer 21

the law of conservation of momentum

Question 22

any object that orbits another object in space

Answer 22

satellite

Question 23

any force that causes an object to move in a circular path

Answer 23

centripetal force