Yazied 7 Science ( k) unit #1 lesson #2 ( Gravity & friction

The force of attraction between objects due to their masses

(a)  

Gravity is a --------------- force !

• contact

• noncontact

The amount of matter in an object !

(a)  

A measure of the pull of gravity on that mass .

(a)  

Weight is a force !

• true

• false

An object's -------------- is constant !

• mass

• weight

----------------- changes due to the change in the force of gravity !

• weight

• mass

Mass and weight are measured using the same unit .

• true

• false

Which of the following statements is TRUE ??

• the pull of objects toward Earth is the only gravitational force on Earth .

• The gravitational force exerted on you is equal to the gravitational force you exert on Earth

• Gravitational force on Earth and the moon has equal effect on objects .

• Every object exerts a gravitational force on every other object .

The surface gravity of the moon is --------of Earth !

(a)