Forces

What is a force?

• A. equilibrium

• B. net force

• C. friction

• D. push or pull

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces can increase or decrease with the speed of an object.

• A. True

• B. False

Mass is how much matter is in an object.

• A. True

• B. False

What is the equation for weight?

• A. w = m/g

• B. w = mg

• C. w = g/m

• D. w = m+g

Calculate the weight of an object with a mass equal to 300 kg.

• A. 1,470 N

• B. 30.61 kg

• C. 2,940 N

• D. 2,940 kg

Tags

NGSS.MS-PS2-4

The weight of an object is 300 N. What is the mass of the object in kilograms. ​

• A. 30.6 kg

• B. 61.2 kg

• C. 30.6 N

• D. 9.8 N/kg

Anna weighs 98 N. If her mass is 10 kg then how much is gravity is pulling on Anna?

• A. 98 pounds

• B. 9.8 N/kg

• C. 4.448 N

• D. 9 N/kg

Tags

NGSS.MS-PS2-4

David stepped on a bathroom scale and it read 150 pounds. Is 150 pounds a measure of mass or weight?

• A. mass

• B. weight

1lb = ____ oz

• A. 6 oz

• B. 16 pounds

• C. 16 oz

• D. 10 oz

1lb = ____ (N)

• A. 44 N

• B. 0.448 N

• C 448 N

• D. 4.448 N

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4