14.1 and 14.2 quiz (golembiewski)

____ is the product of force and distance.

• work
• force
• joule
• watt

for force to do work on an object the force must act in the same direction.

• true
• false

any force is equal to work

• true
• false

work is equal to force times distance.

• true
• false

the SI unit of work is watt

• true
• false

_____ is the rate of doing work.

• power
• work
• time
• distance

--------- is equal to 746 watts.

• power
• horsepower
• scale
• fence

a machine is a device that changes direction

• true
• false

machines make work easier.

• true
• false

a _______ increases force by decreasing amount of work.

• machine
• power
• watt
• force