Newton's Laws of Motion Part 2 TEST

According to Newton's first law of motion, an object at rest will remain at rest and an object in motion will continue in motion with constant velocity, unless acted upon by a ________.

• gravity

• friction

• acceleration

• force

What is the formula for Newton's second law of motion?

• F = m

• F = mv

• F = ma

• F = am

According to Newton's third law of motion, for every action, there is an equal and opposite ________.

• reaction

• inaction

• distraction

• procrastination

What is the relationship between force and acceleration according to Newton's second law of motion?

• Force has no effect on acceleration according to Newton's second law of motion.

• Force and acceleration are directly proportional according to Newton's second law of motion.

• Acceleration is the cause of force according to Newton's second law of motion.

• Force and acceleration are inversely proportional according to Newton's second law of motion.

When a person jumps off a boat, the boat moves in the opposite direction. This is an example of which law of motion?

• Newton's second law of motion

• Newton's first law of motion

• Law of conservation of momentum

• Newton's third law of motion

A car accelerates from 0 to 60 mph in 6 seconds. If the mass of the car is 1000 kg, what is the net force acting on the car?

• 6000 N

• 12000 N

• 2000 N

• 10000 N

Which law of motion explains why a rocket is propelled forward when gases are expelled out of the back of the rocket?

• Einstein's theory of relativity

• Newton's first law of motion

• Newton's third law of motion

• Newton's second law of motion

What is the SI unit of force?

• Second

• Kilogram

• Meter

• Newton

A 10 kg object is subjected to a net force of 20 N. What is the acceleration of the object?

• 2 m/s^2

• 10 m/s^2

• 5 m/s^2

• 0.5 m/s^2

When a person pushes a wall, the wall pushes back with an equal amount of force. This is an example of which law of motion?

• Newton's third law of motion

• Law of conservation of energy

• Newton's first law of motion

• Newton's second law of motion