Speed & Acceleration
The distance an object travels in a set amount of time
a. speed
b. time
c. velocity
speed
These equal forces act on an object sitting completely still.
balanced
unbalanced
balanced
This force creates heat when you rub your hands together on a cold day.
a. friction
b. drag
c. inertia
friction
To find the speed of a moving train, you divide the distance traveled by this
a. speed
b. meter
c. time
Pushing a box across a room is an example of this type of force.
balanced
unbalanced
unbalanced
True or False The property that explains why objects in motion tend to stay in motion is inertia.
True
This term describes what happens whenever a moving object speeds up.
a. time
b. acceleration
c. friction
acceleration
This specific force causes a thrown baseball to change direction in a game.
batter force
ball force
batter force
Water exerts these resistance forces to slow down a rock dropped into a lake.
a. drop forces
b. drag force
c. friction
drag force