The greater an objects mass, the weaker the gravitational force on it.

• True

• False

Tags

NGSS.MS-PS2-4

The force you have to overcome to start an object moving is

• sliding

• rolling

• static

• fluid

Gravitational force exerted on an object is the object's

• mass

• wieght

• volume

• charge

Tags

NGSS.MS-PS2-4

Acceleration towards the center of a curved path is __________ __________.

A baseball hurled by a powerful pitcher has greater acceleration than one lobbed gently.

• True

• False

The acceleration of an object depends on its volume as well as the force exerted on it.

• True

• False

Tags

NGSS.MS-PS2-2

If the net force on a moving object is 0, it will continue to move in a curve with a
constant speed.

• True

• False

The amount of friction between two surfaces depends on the kinds of surfaces and
the force pressing the surfaces together.

• True

• False

The upward force exerted on an object falling through air is ______.

• terminal velocity

• momentum

• air resistance

• weightlessness

When an object moves in a circular path, it accelerates toward the center of the circle
as a result of ______.

• terminal velocity

• friction

• momentum

• centripetal force