Newton's 1st & Second Law

According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will

• remain in motion.
• eventually come to a stop.
• change its momentum.
• accelerate.

Which has more Inertia? (and more force to move) 

• Truck
• Ant

Newton's 1st law is often called the _______.

• Newton's 2nd law
• action-reaction law
• law of equality
• law of inertia

A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?

• 1st law
•  2nd law
• 2 and 3 law
• 3rd law

If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)

• The one with a mass of .78 kg will have the greatest acceleration.
• The one with a mass of .52 kg will have the greatest acceleration.
• They will both accelerate at the same rate.

A person in car  slides to the right when going through a very sharp left turn on the highway. 

• 1st Law
• 2nd Law
• 3rd Law

The SI units for force are...

• Kilograms
• Newtons
• Meters per second
• Pounds

What is the definition of "weight"?

• the force in which gravity pulls on an object
• the time it takes to get on a ride 
• the amount of matter in an object
• the size of an object

If the mass of an object is 1000kg on Earth, what is it's mass on the moon?

• 10kg
• 100kg
• 1000kg
• 10,000kg

A pencil with a mass of 0.045 kg has a weight of ______

• 0.45 N
• 4.5 N
• 0.0045 N
• 10 N