Review for Quiz#3: Newton's laws etc.

Which law explains how from a resting state the coin moved downward when youu flicked the card?

• Law of Inertia

• Law of Action and Reaction

• Law of Acceleration

• Law of Gravity

The acceleration of the 2.0 kg box below is _______. Remember a=F÷ m.

• 6 m/s²

• 4 m/s²

• 2 m/s²

• 1 m/s²

What is a good explanation during time r to s?

• John is too tired of hiking that's why he rested.

• John is walking at the same speed.

• John is running on a straight path.

• John is enjoying the view of the mountain.

How long did it take Marie to return to work from the time she went back home to get the laptop that she forgot?

• 10 mins

• 20 mins

• 30 mins

• 40 mins

Marceline has the fastest speed among all of them!

• True

• False

• Maybe

• I hope so!

The dog will accelerate more than the elephant if the same applied force is used to pull them to a certain distance.

• True

• False

• Maybe

• Really?

What force is applied to the object?

• 4 N

• 2 N

• 8 N

• 10 N

1 N is equal to 1 kg.m/s²

• True

• False

• No idea

• Really

What distance has the car traveled in 4 s?

• 30 m

• 40 m

• 50 m

• Cannot be determined.