7th Grade Laws Of Motion (Page 3 of 3) in pdf

7th Grade Laws Of Motion Page 3

5. An empty truck with a mass of 2500kg has an engine that will accelerate at a rate of

1.5 m/s². What will the force be if the truck is carrying an additional load of 1500kg?

6. A force of 700 newtons is applied to a 600 kg bowling ball. What is the acceleration

of the bowling ball once the force is applied?

7. A baseball weighs 2.5 kg, after it is hit with a bat it has an acceleration of 36 m/s².

How much force was used to make the ball travel that fast?

8. During a car crash a bus that weighs 5000kg is hit by a semi truck, the bus moves at a

speed of 8m/s². How much force was used to make the bus travel that fast?

9. Mr. Sadowski (80kg) is sitting in his favorite desk chair having fallen asleep from all

the hard work he does; a disobedient student pushes Mr. Sadowski down the hall with an

acceleration of 10 m/s². How much force would the student have to use to get Mr.

Sadowski to move that fast?

10. An old mousetrap car is sprung into motion and weighs 1000 kg. It is pulling a trailer

with 1750 kg on it, travels with an acceleration of 20 m/s². What was the force of the

mousetrap that enabled the car to move that fast?

7th Grade Laws Of Motion Page 3