How much force is required to move a sled 5 meters if a person uses 60 J of work?
a. 300 N
b. 12 N
c. 65 N
d. 30 N
Which of the following units would you use to measure work?
a. Newton
b. Joule
c. Meter
d. Watt
Which of the following is the Newton used to measure?
a. distance
b. work
c. force
d. energy
Joy uses 20N of force to shovel the snow 10 meters. How much work does she do?
a. 200 J
b. 2 J
c. 30 J
d. 100 J
What does power measure the rate of?
a. force
b. energy
c. work
d. distance
Which of the following is calculated by dividing work by time?
a. power
b. energy
c. force
d. distance
Which of the following situations correctly describes power?
a. Bill pushed a car for 5 minutes for 20-km while doing 15 J of work.
b. Sue does 27 J of work.
c. Maddi exerts a force of 45 N.
d. Alex exerted a force over 46 m.
How many watts equal 1 kilowatt?
a. 1 Watt is equal to 1 kilowatt.
b. 100 Watts is equal to 1 kilowatt.
c. 500 Watts is equal to 1 kilowatt.
d. 1,000 Watts is equal to 1 kilowatt.