Work & Simple Machine

Abidzar push a table with force 100 N and table is moved 10 m. Calculate work!

• 1000 J

• 100 J

• 10 J

• 0.1 J

Jennifer push a trolley in a supermarket. If the force exerted by her on the trolly is 30 N and the work done by the force on the trolley is 150 J, calculate the distance!

• 0.5 m

• 5 m

• 50 m

• 500 m

Alex push a chair with work 125 Joule in 5 second. Calculate power!

• 0.25 watt

• 2.5 watt

• 25 watt

• 250 watt

Nelly help her mom to push a trolley in supermarket. If the force exerted by her on the trolly is 250 N and moved 50 m in 50 second, calculate power !

• 250 watt

• 25 watt

• 2.5 watt

• 0.25 watt

The function of the axle wheel , except ...

• increase mass

• increase speed

• increase force

• facilitate movement

Examples of axle wheels ...

• wheelchair

• road on mountain

• knife

• stair

A path that has a certain slope and forms an angle to the horizontal surface is ...

• inclined plane

• axis wheel

• pulley

• lever

Type of pulleys, except ...

• fixed pulley

• free pulley

• compound pulley

• common pulley

What type of lever?

• 1st type

• 2nd type

• 3rd type

What type of lever?

• 1st type

• 2nd type

• 3rd type