Unit 6 Practice review Quizizz

made up of an inclined plane wrapped around a straight piece of metal

• screw

• inclined plane

• wedge

• lever

changes the direction of a downward force into a horizontal force

• screw

• wedge

• inclined plane

• pulley

wheel attached to a shaft

• pulley

• lever

• wheel and axle

• wedge

is a ramp like simple machine

• inclined plane

• screw

• pulley

• lever

a rope that moves around a wheel with a groove

• inclined plane

• lever

• wheel and axle

• pulley

as another pulley is added to the system, input force _________ and distance the rope is pulled _______.

• decreases / stays the same

• increases / decreases

• decreases / increases

• stays the same / increases

bar that can turn around a fixed point

• pulley

• lever

• wheel and axle

• wedge

Applying a force to move an object.

• work

• power

• mechanical advantage

• input force

What factors determine how much work is performed on an object?

• strength of force/distance object moves

• strength of force/speed object moves

• strength of force/energy of object

• strength of force/power of object

units for work

• newtons

• grams

• joules

• watts