Newton
What is When a force is exerted on a box, an equal and opposite force is exerted by the box. These forces are called ____ forces. a) action-reaction b) centripetal c) fricitonal d) gravitational
action-reaction
What is Inertia varies depending on a) velocity b) motion c) mass d) force
mass
What is What type of force happens when objects rub against each other? a) magnetic force b) contact force c) gravitational force d) frictional force
frictional force
A place or object used for comparison to determine if an object is in motion is called? a) reference point b) constant speed c) velocity d) distance
reference point
What is A place or object used for comparison to determine if an object is in motion is called a) reference point b) constant speed c) velocity d) distance
reference point
What is The statement "to every action there is an equal and opposite reaction" is ____. a) The law of conservation of momentum b) Newton's first law of motion c) Newton's second law of motion d) Newton's third law of motion
Newton's third law of motion
what is The SI unit that is used to measure time is the a) second b) meter c) kelvin d) kilogram
second
What is A car went 100 miles in 2 hours. What is the average speed of the car? a) 50 km/hour b) 200 miles/hour c) 50 miles/hour d) 100 km/hour
50 miles/hour
What is When you kick a soccer ball it has __________ energy. a) kinetic b) potential c) mechanical d) chemical
kinetic
What is A ____________ is a push or pull that causes an object to change its motion. a) force b) change c) kinetic d) compound
force
What is If gravity did NOT affect the path of a horizontally thrown ball, the ball would ____. a) go straight up b) fall straight down c) follow a curved path d) travel horizontally
travel horizontally
What is A horizontal line on a velocity/time graph shows ________ acceleration a) zero b) positive c) changing d) negative
zero
What is What does constant speed look like on a graph? a) a horizontal line b) the slope of the line would increase. It would be a straight line. c) The slope of the line would decrease. d) The slope of the line would increase, decrease, and then become horizontal.
a horizontal line
What is The upward force of an object falling through the air is a) inertia b) air resistance c) momentum d) terminal velocity
air resistance
What is Energy is the ability to do ________. a) nothing b) potential c) inertia d) work
work
what is The unit of momentum is a) kg x m b) kg x m/s c) kg x m/s 2 d) m/s 2
kg x m/s
What is 3 m/s north is an example of a(n) a) position b) speed c) velocity d) acceleration
speed
What is What would the graph of no motion look like? a) a horizontal line b) the slope of the line increasing steadily c) the slope of the line decreasing steadily d) the line of the graph would increase and decrease.
a horizontal line
What is The path of a projectile is a) curved b) always horizontal c) always vertical d) straight
curved
What is A ball held at the top of a slide has ________________. a) potential energy b) kinetic energy c) work d) chemical energy
potential energy
What is An object that is in free fall seems to be a) not moving b) slowed by air resistance c) speeded up by air resistance d) weightless
not moving
What is If you ride your bike up a hill, then ride down the other side, your acceleration is a) all negative b) first positive, then negative c) first negative, then positive d) all positive
b) first positive, then negative
What is To calculate the average speed, you must a) add distance and time b) subtract the total amount of distance and by the total amount of time c) add speed plus direction d) divide the total amount of distance by the total amount of time
divide the total amount of distance by the total amount of time
What is The size of the gravitational forces between two objects depends on their a) frictional forces b) inertia c) masses and distance between them d) speed and direction
masses and distance between them
What is _____________ is the tendency of an object to keep moving or stay at rest. a) friction b) force c) inertia d) gravity
inertia