Science Ch. 2 Laws of Motion Review

Let's say that you push on a box to the right with a force of 5N. Your friend pushes to the left with some unknown force. The box does not move. If this is true, what is the force that your friend must be exerting on the box.

• 5N

• less than 5N

• greater than 5N

• O Newtons

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Forces acting on an object cannot be added together.

• True

• False

Tags

NGSS.MS-PS2-2

A moving object will stop if no forces act on it.

• True

• False

When an object's speed increases, the object accelerates.

• True

• False

Tags

NGSS.MS-PS3-1

Momentum is how hard it is to stop a moving object.

• True

• False

Which causes an object in motion to remain in motion?

• friction

• gravity

• inertia

• velocity

The kilogram is the SI unit for

• mass

• distance

• gravity

• weight

The force of gravity on an object is its

• net force

• mass

• frictional force

• weight

Tags

NGSS.MS-PS2-4

Which MAIN force below will bring the ball to a stop?

• mass

• mass

• friction

• weight

The sum of all the forces on an object is the

• net force

• mass

• frictional force

• weight

Tags

NGSS.MS-PS2-2