Motion and Forces

A person pushes a bowling ball 10 meters and then pushes a tennis ball 10 meters. Which push requires more force and why?

• The bowling ball because it has less acceleration

• The tennis ball because it has a greater acceleration

• The bowling ball because it has a greater mass

• The tennis ball because it has less mass

Tags

NGSS.MS-PS2-2

When you slide a box across the floor what force must our push force be stronger than?

• gravity

• friction

• support force

Tags

NGSS.MS-PS2-2

What unit is used to measure force?

• inches

• centimeters

• grams

• Newtons

Which law of motion?

It is harder to push a full grocery cart than an empty grocery cart.

• 1st Law - Law of Inertia

• 2nd Law - Law of Acceleration

• 3rd Law - Law of Action/Reaction

• Law of Gravity

Tags

NGSS.MS-PS2-2

Which law of motion?

• 1st Law - The law of inertia

• 2nd Law - The law of acceleration

• 3rd Law - The law of action/reaction

• The law of gravity

Tags

NGSS.MS-PS2-1

What two things do you need to know to calculate the speed of an object

• distance and time

• distance and mass

• time and mass

• force and distance

Speed is how fast an object is moving while velocity is

• speed with acceleration

• speed with a direction

• speed of an object plus the mass

• speed of an object plus the gravity

You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.

• 20N 

• 40N 

• 10N 

• 70N

Tags

NGSS.MS-PS2-1

Any change in an object's speed or direction

• Inertia

• Force

• Acceleration

• Reaction

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-1

The moon has a smaller mass than the Earth. If you were to jump on the moon, your jump would

• be the same as a jump on Earth

• be smaller than a jump on Earth because there is more gravity on the moon

• be larger than a jump on Earth because there is less gravity on the moon

• change depending on the time of day

Tags

NGSS.MS-PS2-4