Question 1

Which of the following is NOT a type of simple machine?

Accepted Answer

Electric motor

Answer

Pulley

Answer

Lever

Answer

Inclined plane

Question 2

What is the primary purpose of a pulley?

Accepted Answer

To change the direction of a force

Answer

To reduce friction

Answer

To increase speed

Answer

To provide stability

Question 3

Which simple machine consists of two inclined planes back to back?

Accepted Answer

Wedge

Answer

Lever

Answer

Screw

Answer

Wheel

Question 4

What is the purpose of an inclined plane?

Accepted Answer

To reduce the amount of force needed to lift an object

Answer

To provide a flat surface

Answer

To increase the speed of motion

Answer

To connect two surfaces

Question 5

Which of the following is an example of a screw?

Accepted Answer

A jar lid

Answer

A flathead screwdriver

Answer

A wooden block

Answer

A bicycle pedal

Question 6

Which simple machine uses a circular object that turns around a fixed point?

Accepted Answer

Wheel

Answer

Pulleys

Answer

Wedges

Answer

Inclined planes

Question 7

What type of simple machine is used to lift heavy objects by applying a force to a rope?

Accepted Answer

Pulley

Answer

Wedge

Answer

Lever

Answer

Inclined plane

Question 8

What is the main function of a lever in simple machines?

Accepted Answer

To provide mechanical advantage

Answer

To increase kinetic energy

Answer

To change electrical resistance

Answer

To measure distance

Question 9

Which simple machine is commonly used to hold objects together by converting rotational motion into linear motion?

Accepted Answer

Screw

Answer

Lever

Answer

Pulley

Answer

Inclined plane

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