BMST - Basic Math and Science Newton's Laws of Motion Questions and Answers 2

Question 1

Newton's First Law of Motion states that an object at rest stays at rest unless acted upon by:

Accepted Answer

An unbalanced external force

Answer

Gravity only

Answer

Friction only

Answer

Its own internal energy

Question 2

According to Newton's Second Law, what is the acceleration of a 5 kg object with a net force of 20 N?

Accepted Answer

4 m/s²

Answer

100 m/s²

Answer

0.25 m/s²

Answer

25 m/s²

Question 3

Newton's Third Law is best described as:

Accepted Answer

For every action, there is an equal and opposite reaction

Answer

Objects in motion stay in motion

Answer

Force equals mass times acceleration

Answer

Heavy objects fall faster than light ones

Question 4

A 10 kg box is pushed with 50 N of force on a frictionless surface. What is the acceleration?

Accepted Answer

5 m/s²

Answer

500 m/s²

Answer

0.2 m/s²

Answer

40 m/s²

Question 5

What is inertia?

Accepted Answer

The tendency of an object to resist changes in its state of motion

Answer

The force that pulls objects toward Earth

Answer

The energy stored in a spring

Answer

The speed of an object

Question 6

A car and a truck collide. According to Newton's Third Law, which experiences a greater force?

Accepted Answer

Both experience the same force

Answer

The car experiences greater force

Answer

The truck experiences greater force

Answer

Neither experiences any force