Toggle Navigation
Games
Blog
News
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
News
Contact us
Help center
Sign in
Study
Chapter 11: Exploring Forces
0
%
0
0
0
Back
Restart
A baseball going at the same speed as a tennis ball has more _________ because it has more mass.
momentum
Oops!
Okay!
An object’s __________ is its location compared to other things.
position
Oops!
Okay!
Energy of motion is called ______.
kinetic energy
Oops!
Okay!
Dividing the output force by the effort force equals the ___________ of a simple machine.
mechanical advantage
Oops!
Okay!
Energy that is stored is called ____________.
potential energy
Oops!
Okay!
What is a strong push in the direction opposite an object’s weight?
thrust
Oops!
Okay!
What is a simple machine in which the output force is between the effort force and the fulcrum?
second-class lever
Oops!
Okay!
What do we call a combination of devices that make it easier to do work?
Compound machine
Oops!
Okay!
What is a simple machine in which a fulcrum lies between the effort force and the output force?
first-class lever
Oops!
Okay!
What is the metric unit used for measuring force?
Newton
Oops!
Okay!
The length between two places is called _______.
distance
Oops!
Okay!
In order to push or pull an object, a(n) ___________ must be applied to the object.
force
Oops!
Okay!
What is a push or pull that causes a change in motion of an object?
Unbalanced force
Oops!
Okay!
What is a simple machine made of an inclined plane wrapped around a central bar?
screw
Oops!
Okay!
An object’s speed and its direction of motion indicate its ___________.
velocity
Oops!
Okay!
What is the measure of the amount of matter in an object?
Mass
Oops!
Okay!
The ratio of the work done by a machine to the work put into the machine is known as its ____________.
efficiency
Oops!
Okay!
What do we call the amount of work done per unit of time?
Power
Oops!
Okay!
An object in space that has moved beyond the pull of gravity experiences ___________.
weightlessness
Oops!
Okay!
What is the force that opposes the sliding of an object over a surface?
Sliding Friction
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies