3.1 Mass and weight

Weight is constant.

• True

• False

The scientific unit of weight is

• Kg
• N
• pounds
• Kgm/s

The scientific unit for mass is

• Kg
• N
• pounds
• ounces

A person would weigh less on on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity
• Moon has less mass, and therefore more gravity
• Moon has more mass, and therefore less gravity
• Moon has less mass and therefore less gravity

You have a ball with a weight of 76N on Earth. What is the mass of the ball?

• 76N

• 76kg

• 7.6kg

• 7.6N

What would be the weight of a 10 kg object on earth?

• 1 N

• 10 N

• 0.1 N

• 100 N

What do you use to measure the mass of an object?

• 
• 
• 
• 

What is the name of this tool?

• spring balance

• Balance scale

• measuring cylinder

• thermometer

The gravitational field strength on Earth is approximately ____ N/kg.

• 10

• 25

• 8.9

• 11.2

Answer explanation

The correct answer is 10 N/kg because the gravitational field strength on Earth is approximately 10 N/kg.

What is the formula of weight?

• $w=m\cdot g$

• $w=m+g$

• $w=m\div g$