Free Printable Semester 2 learning goals review-Forces & Moti

1.

The tendency to resist a change in an onject's motion is ________.

a)

inertia

b)

an unbalanced force

c)

a balanced force

d)

work

2.

If there are two forces going in the same direction how would you find the net force?

a)

Subtract

b)

Add

c)

Neither

d)

Multiply

3.

With unbalanced forces, the object will move in the direction of the _______ force.

a)

larger

b)

smaller

c)

equal

4.

The force that pulls things toward earth.

a)

Speed

b)

Gravity

c)

Friction

d)

Velocity

5.

You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?

a)

60 N right

b)

10 N left

c)

60 n right

d)

50 N left

6.

What famous scientist was the SI units of Force named after?

a)

Isaac Newton

b)

Galileo Galilei

c)

Albert Einstein

d)

Charles Darwin

7.

Is this and example of a balanced or unbalanced force?

a)

balanced

b)

KITTIES!

c)

unbalanced

d)

pshhh

8.

What is the net force?

a)

17 N Right

b)

3 N Right

c)

3 N Left

d)

17 N Left

9.

What is Newton's First Law known as? The Law of

a)

Friction

b)

Mass

c)

Inertia

d)

Gravity

10.

What is Newton's First Law

a)

F=ma

b)

Every action has an equal and opposite reaction

c)

An object at rest stays at rest, an object in motion stays in motion.

d)

Friction

11.

A person is pushed forward into their seatbelt when a car stops. Which of Newton's laws explains this motion?

a)

1st law

b)

2nd law

c)

2 and 3 law

d)

3rd law

12.

Friction and gravity are both examples of a force.

a)

True

b)

False

13.

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

a)

The boy in blue will win.

b)

They will not move at all.

c)

The boy in red will win.

d)

Both will fall down.

14.

__________ is the sum of all forces acting on an object. It is capable of accelerating a mass.

a)

velocity

b)

gravity

c)

net force

d)

distance

15.

How are velocity and force similar?

a)

both are described by the grams they act in.

b)

both are described by the distance they act in.

c)

both are described by the speed they act in.

d)

both are described by the direction they act in.

16.

If the net force is 0 the object is...

a)

in motion

b)

in the same place

17.

Calculate the average speed (in miles per hour) of Cassandra who runs an 18 mile marathon in 6 hours.

a)

24 m/hr

b)

3 m/hr

c)

0.333 m/hr

d)

12 m/hr

18.

Calculate the distance (in miles) that Daniel bikes if he maintains an average speed of 26 miles/hr for 7 hours

a)

33 miles

b)

3.71 miles

c)

182 miles

d)

676 miles

19.

Forrest Gump ran 720 miles in 120 hours. How fast was Forrest Gump running?

a)

72 mph

b)

600 mph

c)

88 miles

d)

6 mph

20.

The unit for speed is:

a)

m/s

b)

s

c)

m

d)

km

21.

If a man runs at a speed of 70 m/s, and has a time of 30 s. What is the distance he ran?

a)

2100 m

b)

0.233 m

c)

2.33 m

d)

300m

22.

A cross country racer runs at a speed of 550 m/s, with a time of 4 seconds. What is the distance that they ran?

a)

2200 m

b)

1375 m

c)

.5 m

23.

What is the equation to calculate speed?

a)

speed = distance/time

b)

speed = time/distance

c)

speed = time x distance

d)

speed = speed/time

24.

What is the equation to calculate distance?

a)

distance = speed/time

b)

distance = time/speed

c)

distance = speed/distance

d)

distance = speed x time

25.

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

a)

400 minutes

b)

100 minutes

c)

100 seconds

d)

.25 seconds

26.

If an object starts to accelerate, _______.

a)

A balanced force is acting on it

b)

gravity is acting on it

c)

velocity is acting on it

d)

an unbalanced force is acting on it

27.

When forces are balanced, the total force is ______.

a)

greater than the sum of the forces

b)

zero

c)

negative

d)

equal to the largest force

28.

What happens to the object when the forces act depends on both how strong the forces are and the direction of the forces

a)

True

b)

False

29.

Forces can affect motion by _______.

a)

making objects start to move

b)

making objects stop moving

c)

making objects change direction

d)

all of the above

30.

When more than one force acts on an object, the forces combine to form

a)

an increased speed

b)

friction

c)

a net force

d)

a balanced force

31.

_____________ cause a change in motion; speed and/or direction.

a)

Net forces

b)

Balanced forces

c)

Frictions

d)

Unbalanced forces

32.

28N−−> ⊟ <−−50N
What is the net force?

a)

78N, Left

b)

22N, Right

c)

22N, Left

d)

78N, Left

33.

98N−−>⊟<−−48N
What is the net force?

a)

50N, Right

b)

146N, Right

c)

98N, Right

d)

50N, Left

34.

−−−28N−−−>
⊟
−−−30N−−−>
What is the Net Force

a)

2N, Left

b)

2N, Right

c)

58N, Right

d)

58N, Left

35.

<−−30N−−− −−−40N−−−> ⊟
<−−−5N−−−

a)

40N, Right

b)

5N, Right

c)

75N, Right

d)

5N, Left

36.

What is the term used for the place or object used for comparison to determine if an object is in motion?

a)

Starting Point

b)

Motion Point

c)

Reference Point

d)

Objection Point

37.

What is the term used for the place or object used for comparison to determine if an object is in motion?

a)

Starting Point

b)

Motion Point

c)

Reference Point

d)

Objection Point

38.

What is the formula for Velocity?

a)

D/T

b)

D x T and the direction

c)

T/D

d)

D/T and the direction

39.

A helicopter's speed increases from 25mph to 60mph in 5 seconds. What is the acceleration of this helicopter?
A=(V_f - V_i)/Δt
Acceleration= Speed_final - Speed_initial
̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅
Time

a)

12 mph/s

b)

175 mph/s

c)

17 mph/s

d)

7 mph/s

40.

Which is not a kind type of friction?

a)

Sliding Friction

b)

Floating Friction

c)

Rolling Friction

d)

Static Friction

41.

This acts in a direction opposite of motion and slows down an objects motion.

a)

Acceleration

b)

Friction

c)

Velocity

d)

Fussion

42.

The pilot slowed down his plane from 200mph to 20mph. This was done in 10 seconds. What was his acceleration?
Acceleration= Speed_final - Speed_initial
̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅ ̅
Time

a)

-22mph/s

b)

18mph/s

c)

22mph/s

d)

-18 mph/s

43.

What is Newton's Second Law?

a)

F= M*A
Acceleration depends on the mass and net force acting on it

b)

An object in motion/at rest will stay in motion/at rest unless acted upon by an outside force

c)

For every action there is an equal and opposite reaction

d)

An object acted on by friction will reverse and move in the opposite direction

44.

What is Newton's 3rd Law?

a)

F= M*A
Acceleration depends on the mass and net force acting on it

b)

An object in motion/at rest will stay in motion/at rest unless acted upon by an outside force

c)

For every action there is an equal and opposite reaction

d)

An object acted on by friction will reverse and move in the opposite direction

45.

Jake dropped the pudding cup from his hands. The pudding splattered back up, all over everything. Which of Newton's Laws is at play here?

a)

Newton's 1st Law

b)

Newtons 2nd Law

c)

Newton's 3rd Law

46.

Bella was riding her bike down the hill. She hit a rock with her front wheel and launched herself over the front handle bars into cow manure. Which of Newton's laws is at play here?

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

47.

Emily noticed that her nephew was much more difficult to push up hill in his stroller now that he was a toddler. It was easier when he was an infant. Which of Newton's Laws is described here?

a)

Newton's 1st Law

b)

Newton's 2nd & 3rd Law

c)

Newton's 2nd Law

d)

Newton's 3rd Law

48.

What factors affect the force of gravity?

a)

Weight & Distance

b)

Mass & Weight

c)

Distance & Height

d)

Mass & Distance

49.

__________ is stored energy.

a)

Potential

b)

Kinetic

c)

None of the above

d)

All of the above

50.

Speed that does not change is referred to as ____________________ speed.

a)

Slow

b)

Fast

c)

constant

d)

No

51.

What is kinetic energy?

a)

energy of work

b)

energy of motion

c)

energy of gravity

d)

energy of power

52.

At which point is potential energy greatest

a)

W

b)

X

c)

Y

d)

Z

Semester 2 learning goals review-Forces & Moti

Total questions: 52

Worksheet time: 4hrs 50mins

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