Solve the word problem using the given formulas.

1.

Solve the word problem using the given formulas.

A truck accelerates at a rate of 12 m/s. The truck weighs 16000 kg. What is the amount of force necessary for the truck to accelerate at this rate?

2.

Solve the word problem using the given formulas.

A car generates 3,000 N of force and weighs 2600 kg. What is its rate ofacceleration?

3.

Solve the word problem using the given formulas.

A box is dragged across a floor. The box accelerates at 0.09 m/s and is pulled by a75 N force. What is the mass of the box?

	6.75 kg
	833 g
	12 g

4.

Solve the word problem using the given formulas. What is the momentum of an object that has a mass of 0.03 g and a velocity of 1500 m/s?

5.

Select the best answer. Newton's _____ law states that an object's acceleration is directly proportional to thenet force acting on the object and is inversely proportional to the object's mass.

	first
	third
	second

6.

Select the best answer. Which object will accelerate faster?

	an object that has 4 N of force applied to it
	an object that has 35 N of force applied to it

7.

Select all that apply. Jack wants to build a bike that goes faster or has a greater acceleration. Select TWO that hecould do to achieve this?

	Improve the pedals so more force can be generated and transferred to the rest of the bike.
	Use metal with a lighter weight.
	Use a heavier metal.

8.

Select the best answer. Which of Newton's laws does the following experiment show?

	first
	second
	third

9.

Select the best answer. In the case of all collisions, _____ is conserved.

	momentum
	mass
	velocity

10.

Select the best answer. Newton's _____ law states that an object in motion will stay in motion, and anobject at rest will stay at rest, unless an unbalanced force acts on it.

	first
	second
	third

11.

Select the best answer. Newton's ___ law states that for every action, there is an equal and oppositereaction.

	first
	second
	third

12.

Select the best answer.

What will happen to the boatwhen the person steps off of it toward the left?

	The boat will move tothe left.
	The boat will not move.
	The boat will move tothe right.
	The boat will only moveup and down.

13.

Select the best answer. Which requires more force to accelerate an object?

	an object that weighs 1.5 kg
	an object that weighs 15 kg

14.

Select the best answer. What will happen to the momentum of the first ball when it hits the second ball?

	The momentum will increase.
	The momentum will decrease.
	The momentum will be transferred to the second ball and stay the same.

15.

Select the best answer. Which of Newton's laws can be expressed by the formula F =ma?

	third
	first
	second

16.

Select the best answer. To decrease momentum, which should change?

	Decrease mass and velocity.
	Increase mass and velocity.

17.

Select the best answer. Why can a bullet have the same momentum as a semitruck?

	It is made of lighter metal.
	It cannot have the same momentum as a massive object.
	It travels with a large speed.
	It travels with a large velocity.

18.

Select the best answer. The law of conservation of momentum states that _____.

	the momentum of an object will not change unless its mass changes
	the momentum of an object will not change unless its speed changes
	the momentum of an object will not change unless it is acted upon byNewton's third law
	the momentum of an object will not change unless its mass, velocity, orboth change

19.

Select the best answer. Which of Newton's laws does the following experiment show?

	first
	third
	second

20.

Select the best answer. Which of Newton's laws does the following experiment show?

	third
	first
	second