Name
Period
Date
Remember the Force….F = ma
1. Bugs Bunny sits on the ground. He is being pulled along the ground by Elmer Fudd with 16N of force at a
rate of 2 m/s2 (This is his acceleration.) What is Bugs Bunny’s mass? (Use Newton’s 2nd law formula Force
= mass x acceleration)
GIVEN
WORK
ANSWER
2. A net force of 10 Newtons acts on a box which has a mass of 2 kg. What will be the acceleration of the box?
GIVEN
WORK
ANSWER
3. How much force is required to accelerate a 1000 kg car at 2 m/s2?
GIVEN
WORK
ANSWER
4. What force must be applied to a 60-kg object to make it accelerate at 10 m/s2?
GIVEN
WORK
ANSWER
Adapted from Newton’s 2nd Law Questions & format from
http://www.nisd.net/communicationsarts/pages/ipc/docs/speed_ws.doc
5. If your go-cart weighs 500 kg, what is the force you will have to apply to accelerate it at +1.5m/s2?
GIVEN
WORK
ANSWER
6. You discover that Eunice and Bert’s go-cart weighs 400 kg and will have a 675 N force acting on it. How
fast will it accelerate (to the nearest tenth)?
GIVEN
WORK
ANSWER
7. You have a 10 kg sled and you are pulling it up the hill with 5N of force. What is the acceleration?
GIVEN
WORK
ANSWER
8. A net force of 4500N acts on a 1500kg car. What is the acceleration of the car?
GIVEN
WORK
ANSWER
Adapted from Newton’s 2nd Law Questions & format from
http://www.nisd.net/communicationsarts/pages/ipc/docs/speed_ws.doc
9. A baseball has a mass of .15kg. What is the force acting on the ball if the acceleration is 40m/s2?
GIVEN
WORK
ANSWER
10. A weight lifter lifts a 150 kg weight at an acceleration of .25 m/s2. What is the force the weight lifter exerted
on the weights?
GIVEN
WORK
ANSWER
11. During a softball game, a softball is struck by a bat and has an acceleration of 1500 m/s2. If the net force
exerted on the ball is 300N, what is the mass of the softball?
GIVEN
WORK
ANSWER
Adapted from Newton’s 2nd Law Questions & format from
http://www.nisd.net/communicationsarts/pages/ipc/docs/speed_ws.doc