1) a piece of equipment used by astronauts has a mass of 3kg on the moon. A) what is the mass of the equipment on Earth? How do you know this? B) what is the weight of the equipment on earth? C) would it take more force to life the object on the earth or on moon? How? D) would a similar piece of equipment that has a mass of 30kg fall faster when dropped from the spacecraft on the moon? How? 2) I am pushing my sofa with a weight of 5N across the carpet with a force of 50N. The sofa starts to move to the right. A) are the forces on my sofa balanced? B) there are actually 4 forces acting on my sofa. What are these four forces? C) describe the direction and magnitude of the two forces D) is the sofa exerting a force on me? If so, what is the direction and magnitude