Simple Machines Quiz

Which simple machine is a device that is thick on one end and tapers to a thin edge other end. Can be considered as 2 inclined planes back to back

• wedge

• inclined plan

• Mr. Ellis

Which simple machine is an inclined plan wrapped around a cylinder. The closer the threads, the greater the mechanical advantage.

• Screw

• Mr. Ellis

• pulley

Which simple machine is a flat, slanted surface. Allows input force to be exerted over longer distances

• inclined plane

• lever

• Mr. Ellis

Which simple machine is a grooved wheel with a rope, chain, or cable wrapped around it which can be pulled to change the direction and force on an object. This simple machine can be fixed, movable, or part of a system

• Mr. Ellis

• pulley

• lever

Tags

NGSS.MS-PS2-1

Which simple machine is a rigid bar that is free to pivot or rotate about a fixed point called a fulcrum. There are 3 classes of this simple machine.

• wheel and axle

• Mr. ellis

• lever

Which simple machine are Two cylindrical objects that are fastened together and rotate about a common axis.

• wheel and axle

• Mr. Ellis

• inclined plane

Use the formula for work to solve the following equations (1 point each). Remember: 

Work (joules) = Force (Newtons) x Distance (meters)

It takes 20 Newtons of force to move a desk 10 meters. How much work is done to move the desk?

(a)  

Use the formula for work to solve the following equations (1 point each).

Remember: Work (joules) = Force (Newtons) x Distance (meters)

It takes 3 Newtons of force to lift a paint can up a shelf. The total work exerted is 6 joules. What distance did the paint can travel?

(a)  

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Use the formula for work to solve the following equations (1 point each). Remember: 

Work (joules) = Force (Newtons) x Distance (meters)

A hydraulic lift exerts a force of 1,200 N to lift the frame of a car 3 meters between factory stations. How much work is done to move the car?

(a)  

Use the formula for work to solve the following equations (1 point each). Remember: 

Work (joules) = Force (Newtons) x Distance (meters)

A total of 200 joules of work is exerted when hauling a tree that needs to be planted across a 20 meter field. How much force is needed to move the tree?

(a)