Newton's Laws Check-In

Question 1

True or False: When objects are further apart, the gravitational pull is STRONGER

Accepted Answer

False

Question 2

Force is directly proportional to an object's mass and acceleration. Which of Newton's laws tells us this?

Accepted Answer

2nd

Question 3

Who discovered gravity

Accepted Answer

Issac newton

Question 4

What is the net force needed to accelerate a 1.6 kg automobile forward at 2.0 m/s^2?

Accepted Answer

3.2 N

Question 5

The equation for Newton's second law is:

Accepted Answer

F=ma

Question 6

How does inertia relate to mass?

Accepted Answer

Greater mass, greater inertia

Question 7

The ______ has the strongest gravity.

Accepted Answer

Sun

Question 8

The tendency of an object to remain in its current state of rest or motion is called

Accepted Answer

Inertia

Question 9

If an object at rest is staying at rest, the forces on that object must be

Accepted Answer

Balanced

Question 10

In the absence of air resistance, objects would

Accepted Answer

fall at the same acceleration, regardless of mass

Question 11

T/F: In physics, weight is recorded in Newtons

Accepted Answer

True

Question 12

Why do cars have seat belts?

Accepted Answer

To protect you from inertia

Question 13

If a car has airbags, passengers do not need to wear seatbelts.

Accepted Answer

False

Question 14

T/F: Objects change their state of motion only when a net force is applied

Accepted Answer

True

Question 15

T/F: For equal forces, a larger mass accelerates less

Accepted Answer

True

Question 16

T/F: You would weigh less on the moon

Accepted Answer

True

Questions 16