Force, Acceleration, and Mass

when mass is constant force and accleration are...

• directly proportional

• indirectly proportional

• inversely proportional

• proportional

Tags

NGSS.MS-PS2-2

Calculate the resultant force on a sprinter if her mass is 60kg and she accelerates at 8m/s²

Tags

NGSS.MS-PS2-2

Calculate the acceleration of a car of mass 800kg if it is acted on by a resultant force of 3200N

Tags

NGSS.MS-PS2-2

The unit of acceration (tick 2)

• m/s²

• m/s

• m/s/s

• ms

The force applied to an object is equal to its mass times the acceleration

• Newton’s 1st Law

• Newton’s 2nd Law

• Newton’s 3rd Law

Tags

NGSS.HS-PS2-1

In an investigation over force, mass, and acceleration, five different students lined up behind five different objects. Each student pushed their assigned object with the same amount of force as the other students. The distance traveled by each object is listed in the table below. Based on the data displayed in the table above, which of the following conclusions can be made concerning the objects involved in the investigation? Select TWO correct answers.

• Object 3 had the greatest mass.

• All of the objects were made of different material.

• Object 4 had the greatest mass.

• Object 4 had the least mass.

• Objects 1, 3, and 5 were made of different material than Objects 2 and 4.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

According to Newton's 2nd Law, the acceleration of an object depends on the net ​ (a)   acting upon the object and the ​ (b)   (or amount of matter) the object has.​

• force

• mass

• density

• speed

• length

• gravity

Tags

NGSS.MS-PS2-2

A car accelerates from rest on a straight road. What does the car's acceleration depend on?

• Its color and shape

• Its mass and the force applied to it

• Its volume

• Its temperature

Answer explanation

An object's acceleration depends on its mass and the force applied to it, not its color, shape, volume, or temperature.

Tags

NGSS.MS-PS2-2

True and False: A larger mass requires more force to change its velocity.

• True

• False

Answer explanation

REMEMBER: It takes MORE force to move a MORE massive object!

Tags

NGSS.MS-PS2-2

Imagine you're pushing a shopping cart. What happens to the cart's acceleration if you push it with more force?

• It decreases

• It stays the same

• It increases

• It stops

Answer explanation

When the force applied on an object increases, its acceleration also increases according to Newton's second law of motion.

Tags

NGSS.MS-PS2-2