Free Printable Forces - Free Body Diagram

1.

The Coffee cup in the picture is resting on a table. What force(s) are missing from the free body diagram?

a)

No forces are missing

b)

The normal force from the table pushing the cup up.

c)

The normal force form the table pushing the cup down.

d)

The friction force from the table pushing the cup left and right.

2.

The coffee cup in the picture is at rest on the table. What is true about the Normal force?

a)

The normal force is exactly 15

b)

The normal force is less than 15

c)

The normal force is more than 15

d)

The normal force is -10

3.

The hockey puck is moving at a constant velocity across the ice. What forces does the puck experience at this moment?

a)

None

b)

Gravity

c)

Gravity and Normal

d)

Gravity, Normal, and Friction

e)

Gravity, Normal, Friction, and Applied

4.

The hockey puck is moving at a velocity of 20 m/s. If the forces on the puck are in equilibrium, what will the puck's velocity be 2 seconds later?

a)

0 m/s

b)

1 m/s

c)

2 m/s

d)

10 m/s

e)

20 m/s

5.

Which equation would accurately describe the forces on this cup of coffee?

a)

$F_n\ -\ F_g\ =\ 0$

b)

$F_n\times F_g\ =\ 0$

c)

$F_n-10F_g$

d)

$F_n-F_g\ =\ -10$

6.

The forces on this chandelier are...

a)

Gravity

b)

Gravity and Normal

c)

Gravity and Tension

d)

Gravity, Tension, Friction, and Applied

7.

A chandelier is hanging from the ceiling. If the force of gravity on the chandelier is 120 N, the force of tension must be ...

a)

0 N

b)

12 N

c)

60 N

d)

120 N

8.

A squirrel sits on the ground and eats a donut. We know the forces on him must be balanced because...

a)

Forces are always balanced

b)

the squirrel is not accelerating

c)

squirrels are projectiles

d)

he's eating a donut

9.

A squirrel sits on the ground and eats a donut. If the ground pushes up on the squirrel with a force of 11 N, The squirrel and donut together weigh ...

a)

less than 11 N

b)

Exactly 11 N

c)

More than 11 N

10.

The car in the picture is moving at a constant velocity. What forces does the car experience?

a)

Gravity

b)

Gravity and Normal

c)

Gravity, Normal, and Friction

d)

Gravity, Normal, Friction, and Applied

11.

The Car in the picture is moving to the right at a constant velocity. Any friction present would be pushing the car to the ...

a)

Up

b)

Right

c)

Down

d)

Left

12.

Two books rest on the same table. Book A weighs 20 N. Book B has a mass of 3 kg. Which one has a greater force of gravity on it?

a)

The same

b)

Book A

c)

Book B

13.

A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the

a)

force of gravity

b)

normal force

c)

friction force

d)

applied force

14.

A man pushes a box across the floor at a constant velocity. There is a force on the box from the floor pushing the box up. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

15.

A man pushes a box across the floor at a constant velocity. There is a force on the box resisting its motion. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

16.

A man pushes a box across the floor at a constant velocity. There is a force from the man pushing on the box. This is the ...

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

17.

A man pushes a box across the floor at a constant velocity. There is a force on the box pulling it toward the center of the earth. This is called the

a)

force of gravity

b)

normal force

c)

force of friction

d)

applied force

18.

A man pushes a box across the floor at a constant velocity. Which formula describes the horizontal forces on the box?

a)

$F_P\ -\ F_f\ =\ 0$

b)

$F_p+F_g\ -\ F_f\ =\ 0$

c)

$F_P\ -10F_g\ =\ 0$

d)

$F_{p\ }\times F_f=0$

19.

A man pushes a box across the floor at a constant velocity. Which formula describes the vertical forces on the box?

a)

$F_P\ -\ F_g\ =\ 0$

b)

$F_p+F_g\ -\ F_f\ =\ 0$

c)

$F_n\ -10F_g\ =\ 0$

d)

$F_n-mg\ =\ 0$

20.

A man pushes a box across the floor at a constant velocity. If another box were put on top of this box, what would happen to the force of friction?

a)

It would increase

b)

It would decrease

c)

It would remain unchanged

Forces - Free Body Diagram

Total questions: 20

Worksheet time: 20mins

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