Forces, Friction, and Gravity

Presentation

•

Science

•

8th - 11th Grade

•

Hard

James Gonzalez

FREE Resource

21 Slides • 23 Questions

Forces:

Friction, Gravity, Weight, & Falling Objects

Multiple Choice

Friction is a force that acts in an ___________ direction of movement.

similar

opposite

parallel

west

Multiple Choice

Without friction, an object in motion would never stop.

true

false

Multiple Choice

How would the absence of friction affect a marble travelling on a long, straight path?

the marble's speed would decrease

the marble would remain at a constant speed

the marble's speed would increase

the marble would stop immediately

Multiple Choice

Rough surfaces have _________

greater friction

less friction

the same level of friction

Multiple Choice

Sally experiences-

Rolling Friction

Sliding Friction

Fluid Friction

Static Friction

Multiple Choice

Wheels on a skateboard most likely experiences-

Rolling Friction

Sliding Friction

Fluid Friction

Static Friction

Multiple Choice

Swimming fish experience-

Rolling Friction

Sliding Friction

Fluid Friction

Static Friction

Multiple Choice

When we rub our hands together _________.

frictional force works between them

energy is released

our hands become warm

all off the above

Multiple Choice

What is gravity?

A force

Energy

A push

All of them

Multiple Choice

Two factors effecting the magnitude of force of gravity between 2 objects are...

weight and mass

distance and weight

mass and matter

mass and distance

Multiple Choice

The law of universal gravitation is credited to whom?

Einstein

Galileo

Darwin

Newton

Multiple Choice

What is the SI unit used to measure force?

pounds

grams

newtons

kg/ m²

Multiple Choice

As mass increases, what happens to gravitational force?

increases

decreases

stays the same

i don't know

Multiple Choice

Which statement about gravity is true?

gravity causes objects to pull towards one another

gravity causes objects to push away from each other

gravity only takes place between planets

the moon doesn't have any gravity

Multiple Choice

A person would weigh less on the moon than on the Earth because...

the moon has less mass, and therefore less gravity

the moon has more mass, and therefore less gravity

the moon has less mass, and therefore more gravity

the moon has more mass, and therefor more gravity

Multiple Choice

A person would weigh more on Jupiter than on the Earth because---

Jupiter has less mass, and therefore less gravity

Jupiter has more mass, and therefore less gravity.

Jupiter has less mass, and therefore more gravity.

Jupiter has more mass, and therefore more gravity

Multiple Choice

John has a mass of 125kg on Earth. What is his weight?

125 pounds

1225 Newtons

275 Newtons

9.8 Newtons

Multiple Choice

John takes the space shuttle to Jupiter. What will happen to John's mass?

His mass will increase

His mass will decrease

His mass will remain the same

His mass will increase but and his weight will decrease.

Multiple Choice

What will John's (125 kg) weight be on Jupiter. Jupiter's gravity is 26.5m/s/s.

4.71 Newtons

1225 Newtons

3312.5 Newtons

125 pounds

Multiple Choice

What force causes objects to fall?

gravity

friction

air

Multiple Choice

What will happen if you drop a golf ball, a baseball, and a bowling ball at the same time from the top of a building?

The bowling ball will hit the ground first

The golf ball will hit the ground first

The baseball will hit the ground first

All three will hit the ground at the same time

Multiple Choice

When a feather and a bowling ball are dropped at the same time, why does the feather hit the ground last?

gravity

air reistance

free fall

terminal velocity

Multiple Choice

What force causes objects falling near Earth's surface to slow down?

Gravity

Air Resistance

Centripetal Force

Newtons

Forces:

Friction, Gravity, Weight, & Falling Objects

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