14.1 & 14.2 Quiz Oleksinski, Sydni

Work is the product of _____ and ________?

• Froce and Distance
• Force and gravity
• Direction and Time
• Force and Watts

How do you calculate work?

• Force x Distance 
• Force x Time 
• Force x Work put in 
• Force x Watts

What is the SI unit of work?

• Joules 
• Watts
• Newtons
• Seconds

Power is the rate of doing _____.

• Work
• Distance
• Horsepower
• Time

How do you calculate power?

• Work/Distance 
• Work/Time
• Work/Watts
• Work/Power

Horsepower is another common unit of ______.

• Power
• Force
• Time
• Distance 

One horsepower is equal to ____ watts.

• 744
• 746
• 789
• 647

A machine is a device that changes _____.

• Time used 
• Input force used 
• Distance
• A force

Machine changes all but ?

• Distance 
• Size of a force needed
• The direction of a force
• Having to increase input force if you want the output force to increase.

If a mschine increases the distance over which you exert a force, then it decreases the amount of _______ you need to exert.

• Time
• distance
• amount
• force