- It would probably be easiest to ride a bicycle across ______
Your answer:
gravel
sand
the grass
a sidewalk
- The force that always acts opposite to the direction of the motion of an object is called_____
Your answer:
gravity
inertia
friction
none of these
- According to Newton's 3rd law, forces always occur in ____ pairs.
Your answer:
equal but complementary
equal but opposite
unequal but opposite
unequal but complementary
- Neweton first described gravity while watching _____
Your answer:
smoke rise
a car accelerate
someone walking
an apple falling
- You would NOT use _____ to find the acceleration of an object.
Your answer:
initial speed
final speed
weight
time
- Newton's _____ law of motion explains why you may lean sideways in a car if the driver turns a corner too quickly.
Your answer:
first
second
third
primary
- _____ is the speed of an object and the direction of motion.
Your answer:
Friction
Mass
Gravity
Velocity
- To calculate average speed, you would use _____
Your answer:
weight and distance
distance and time
acceleration
weight and time
- ______ is used to describe an object slowing down because of decreasing speed.
Your answer:
Acceleration
Average speed
Negative acceleration
Inertia
- An object that has a(n) _____ will acceleration in the direction of the force.
Your answer:
normal force
net force
frictional force
speed
- Negative acceleration is sometimes called ______
Your answer:
Friction
Deceleration
Speed
Inertia
- _____ is the rate at which an object covers a given distance.
Your answer:
Force
Speed
Motion
Acceleration
- _____ is NOT a force.
Your answer:
All of these
Friction
Gravity
Mass
- Stepping on a wagon and watching the wagon move away from you is an example of Newton's _____ law.
Your answer:
first
third
second
gravitational
- The speed of an object at any instance in time is its ____ speed
Your answer:
velocity
average
instananeous
fastest