Acceleration:

Force:

Work:

Power:

What units must the mass be measured in
to calculate force?

What units must the acceleration be measured
in to calculate force?

What units must the distance be measured
in to calculate work?

What units must the time be measured in
to calculate power?

Word problems:

What is the average velocity of a car that
traveled 900 km in 23 hours of driving?

What variable are you solving for (i.e.,
what is the ‘unknown’ variable)?

What units will your answer be in (based on the units in the word problem)?

Which formula are you going to use?

Plug the numbers into the formula and solve
for the unknown variable.

How long did it take a person skiing at
2.5 m/s to move 450 meters down a hill?

What variable are you solving for (i.e.,
what is the ‘unknown’ variable)?

What units will your answer be in (based on the units in the word problem)?

Which formula are you going to use?

Rearrange it for the unknown variable.

Plug the numbers into the formula and solve
for the unknown variable.

What is the momentum of a 10 kg shotput
thrown at 1.7 m/s?

What variable are you solving for (i.e.,
what is the ‘unknown’ variable)?

What units will your answer be in (based on the units in the word problem)?

Which formula are you going to use?

Plug the numbers into the formula and solve
for the unknown variable.

What is the acceleration of a boy on a
skateboard if the force of propulsion is 15 N if his mass is 58 kg?

What variable are you solving for (i.e.,
what is the ‘unknown’ variable)?

What units will your answer be in (based on the units in the word problem)?

Which formula are you going to use?

Rearrange it for the unknown variable.

Plug the numbers into the formula and solve
for the unknown variable.

If a 150 kg motorcycle is accelerating
at 4.2 m/s2 for 30 meters, how much work is done?

What variable are you solving for (i.e.,
what is the ‘unknown’ variable)?

What units will your answer be in (based on the units in the word problem)?

Which formula are you going to use?

Plug the numbers into the formula and solve
for the unknown variable.

How long would it take for generator doing
65 megaJoules of work to produce 10,000 MW of power?

What variable are you solving for (i.e.,
what is the ‘unknown’ variable)?

What units will your answer be in (based on the units in the word problem)?

Which formula are you going to use?

Rearrange it for the unknown variable.

Plug the numbers into the formula and solve for the unknown variable.

Copyright Alexplorer. Some items taken from or adapted from other materials. This page is free for use in a classroom setting.

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