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WorksheetsNewton's First Law
Total questions: 20
Worksheet time: 17mins
Newton's 1st Law is also called the Law of ...
Friction
Inertia
Unbalanced forces
Newtons
Because of inertia, a moving object will keep ________ unless acted on by an unbalanced force.
at rest
moving
in one spot
inertia
Inertia is Newton's _______ Law of Motion.
First
Second
Third
Inertia is Newton's _______ Law of Motion.
First
Second
Third
Objects with MORE mass have...
MORE inertia
LESS inertia
the SAME amount of intertia
A force is a _________________.
push or pull
speed
Velocity measures _________________________
speed
speed and direction
A skateboard rolls down a hill, reaches the level surface and eventually comes to a stop. The fact that the skateboard ultimately stops is best explained by ____.
an unbalanced force would be required to keep the sled moving forward at constant speed
the presence of an unbalanced force (e.g., friction) can cause a moving object to stop
the presence of inertia causes it to stop
the natural tendency of any object is to ultimately stop
What is the best definition of inertia?
a force that pushes objects down
a property of matter that makes objects stop
a force that keeps objects from breaking down
a property of matter which resists change to the state of motion or rest
Complete the excerpt of Newton's First Law of Motion
"An object in motion will ________ until it is acted on by an unbalanced force."
...stay in motion...
...stop its motion...
...increase its motion...
...decrease its motion...
Complete the excerpt of Newton's First Law of Motion
"...and an object at rest will ________ until acted on by an unbalanced force."
...stay at rest...
...start an increasing motion...
...start a decreasing motion...
What will causes an object to move?
unbalanced forces
balanced forces
net force
potential energy
