Science Simple Machine

Which of the following is a first class lever?

• scissors

• nutcrackers

• wheel barrow

• fishing rod

A force applied to a machine to do work is called ..........

• output

• input

• load

• effort

Tags

NGSS.MS-PS2-2

Which of the following is an example of a inclined plane?

• Axe

• Stairs

• Jack screw

• Spoon

Which of the following is a modified form of an inclined plane?

• lever

• screw

• Pulley

• wheel and axle

A knife is an example of ...

• screw

• lever

• wedge

• pulley

............. is a fixed point about which a lever can rotate.

• Load

• Fulcrum

• Effort

• None

Crow bar is an example of ........... class lever.

• First

• Second

• Third

• None

.............. lies between fulcrum and effort in second class lever.

• Effort

• Load

• Fulcrum

• All of the above

.............. is used to draw water from well.

• Jackscrew

• Stair case

• Inclined plane

• Pulley

............ is used to lift a car.

• Scissor

• Jack screw

• Wheel barrow

• Inclined plane

Tags

NGSS.MS-ETS1-2