5p1.1

Four solid balls, each with different mass, are moving at the same speed. Which ball would require the most force to stop its motion?

• 5 kg

• 10 kg

• 15 Kg

• 20 Kg

Tags

NGSS.MS-PS2-2

what can cause a moving object to increase its speed in a forward direction?

• a force pushing on the object from the oppiste direction

• a force that continually acts on the object in the direction the object is moving

• an increase in the mass of the object

• a decrease in the mass of the object

Tags

NGSS.MS-PS2-2

What slows down the motion of an object or keeps it from starting?

• mass

• friction

• gravity

• magnetism

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

The measure of the force of gravity on your body is your _________________

• height

• length

• weight

• age

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4

The tendency of an object at rest to stay at rest unless it is acted upon by a force is ___________________

• inertia

• motion

• gravity

• lubricant

What 2 things do you need to calculate speed?

• distance and friction

• direction and time

• direction and friction

• distance and time

Tags

NGSS.MS-PS3-1

A push or pull that causes an object to move, stop, or change direction.

• force

• motion

• energy

• inertia

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

A ball is rolled on four different types of materials.  Which material will cause the least amount of friction between it and the ball?

• Tile Floor

• Carpet

• Grass

• Cement Sidewalk 

Why does a crumpled piece of paper land before a flat sheet of paper? 

• Gravity exerts more force on the crumpled paper. 

• There is more air resistance on the flat paper. 

• The crumpled paper is heavier

• The flat paper is lighter.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4