Which of the following best describes work being done by someone's arms?

a. a child building a sand castle

b. a mother holding a baby

c. a boy pushing on a tree

d. a traveler carrying luggage

Two objects of the same mass are on two different planets. Planet A has a force of gravity that is weaker than that of planet B. How will the weights of the objects compare to each other? The weights of the objects will be the same.

A cube has a surface area of 54 cm squared. what is its volume

You have learned of two fundamental units that are not vector quantities. Which are they? mass time velocity gravity acceleration

Which acids are naturally found in foods and can be safe to eat? Check all that apply. sulfuric acid citric acid hydrochloric acid nitric acid acetic acid

Calculate the acceleration if force is equal to 50 and the mass is 45

Why do you think that some asteroids tumble end over end through space while other asteroids rotate around their axis?

What are five features that erosion forms along a river?

If an object of mass 6 kg has an acceleratoon of 9 m/s2, what is the unbalanced force acting on it?

What is the fastest a car can go?

Which of the following best describes work being done by someone's arms? a. a child building a sand castle b. a mother holding a baby c. a boy pushing on a tree d. a traveler carrying luggage