What is done when a force exerted on an object causes that object to move some distance; equal to force times distance; measured in joules?

• work

• force

• friction

• mechanical advantage

Tags

NGSS.MS-PS3-5

What is a force exerted on a machine by you called?

• load

• input force

• output force

• efficiency

What is the force exerted or done by a machine called?

• output force

• input force

• efficiency

• Work

What is it called when something equals the output work divided by the input work; expressed as a percentage.

• outside work

• input work

• efficiency

• data

What is a machine made up of a combination of two or more simple machines called?

• efficiency

• compound/complex machine

• simple machine

• transfer machine

What is a board or bar that rest on a turning point, called a fulcrum and the closer the object is to the fulcrum, the easier it is to move called?

• pulley

• inclined plane

• lever

• wheel and axle

What is it called when the axle is a rod that goes through the wheel and the axle allows the wheel to turn called?

• axle rod

• wheel rod

• wheel and axle

• circular lever

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is made up of a wheel and a rope that fits on the groove of a wheel and one part of the rope is attached to the load called?

• wheel and axle

• pulley

• wheel rope

• groove wheel

Tags

NGSS.MS-ETS1-2

What is a flat surface that is higher on one end than the other?

• lever

• wedge

• inclined plane

• screw

What is the simple machine that is used to push two objects apart and is made of two inclined planes that meet and form a sharp edge called?

• lever

• screw

• inclined ramp

• wedge

Tags

NGSS.MS-PS2-1