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Energy and Motion 18

Total questions: 75

Worksheet time: 44mins

Name
Class
Date
1.

A force is a _____ or a _____

a)

push or pull

b)

push or shove

c)

pull or tug

d)

jump or hop

2.

Which of Newton's Laws is also known as the Law of Inertia?

a)

1st

b)

2nd

c)

3rd

d)

4th

3.

Unbalanced forces always cause

a)

a change in motion

b)

nothing to happen

c)

a change in gravity

d)

a disturbance in the force

4.

For every action there is an ____ and ___ opposite reaction.

a)

equal and opposite

b)

equal and same

c)

unequal and opposite

d)

unequal and same

5.

When calculating net force, your answers MUST have

a)

magnitude and direction

b)

magnitude and attitude

c)

altitude and direction

d)

directions and a map

6.

Potential energy depends on

a)

mass, gravity, and height

b)

mass, gravity, and weight

c)

weight, height, blood pressure

d)

weight, gravity, and height

7.

Acceleration due to gravity _____ anywhere on Earth

a)

stays the same

b)

changes

8.

What is the formula for Newton's 2nd Law?

a)

F= ma

b)

F= m/a

c)

M= fa

d)

A=fma

9.

An object traveling at a constant speed is considered a ____ force

a)

balanced

b)

unbalanced

10.

An object will stay at rest unless acted upon by a(n)

a)

unbalanced force

b)

balanced force

c)

equal force

11.

Gravity and the normal force should always be

a)

equal

b)

balanced

c)

unbalanced

d)

10

12.

Force is measured in

a)

Newtons

b)

Fig Newtons

c)

Joules

d)

Jewels

13.

The two components of mechanical energy are

a)

potential and kinetic

b)

potential and constant

c)

kinetic and mechanic

d)

kinetic and chemical

14.

The greater the mass, the ___ the potential energy.

a)

greater

b)

less

c)

more equal

15.

Energy cannot be created or destroyed is known as

a)

conservation of energy

b)

law of energy

c)

conservation of mass

d)

law of inertia

16.

Kinetic energy increases as mass

a)

increases

b)

decreases

c)

stays the same

17.

Calculate NET FORCE: 57 N to the left, 32 N to the right.

a)

25 N to the left

b)

25 N to the right

c)

15 N to the left

d)

89 N to the right

18.

In the formula for potential energy, the "h" stands for

a)

height

b)

harry

c)

hurry

d)

hiccup

19.

Acceleration due to gravity is always constant at

a)

10 m/s2

b)

9.8 m/s2

c)

98 m/s

d)

10 m/s

20.

A robot is sitting on a shelf above the ground. What kind of energy does it have?

a)

potential

b)

kinetic

c)

chemical

d)

all of the answers are correct

21.

Calculate PE: 45 kg mass, 12 meters above the ground

a)

5400 J

b)

54 J

c)

270 J

d)

1620 J

22.

Energy is measured in

a)

Joules

b)

Newtons

c)

Ohms

d)

Meters

23.

How can you decrease kinetic energy?

a)

increase mass

b)

increase acceleration

c)

decrease mass

d)

decrease acceleration

24.

Charlie climbs up a rock wall. What type of energy is that?

a)

kinetic

b)

potential

c)

chemical

d)

wind

25.

Calculate KE: mass of 15 kg and velocity of 8 m/s

a)

480 J

b)

120 J

c)

1200 J

d)

240 J

26.

Type of energy used by body as fuel

a)

chemical

b)

battery

c)

kinetic

d)

mechanical

27.

The ability to cause change

a)

energy

b)

work

c)

fuel

d)

calories

28.

The ability to do work

a)

energy

b)

fuel

c)

work

d)

chemical

29.

Energy associated with motion of an object

a)

mechanical

b)

chemical

c)

food

d)

wind

30.

Energy stored in an object because of its position

a)

potential

b)

kinetic

c)

chemical

31.

What is the formula for PE?

a)

mass X gravity X height

b)

mass X gravity / height

c)

mass / gravity

d)

weight X gravity X height

32.

Energy due to motion

a)

potential

b)

kinetic

c)

chemical

d)

food

33.

What is the formula for KE?

a)

1/2mv2

b)

2mv2

c)

1/2vm2

d)

1/2bb8

34.

Change of energy from one form to another

a)

energy transformation

b)

energy transmogrification

c)

energy trading

d)

conservation of energy

35.

PE or KE? Child sliding down a slide

a)

PE

b)

KE

36.

PE or KE? Cat sitting in a tree

a)

PE

b)

KE

37.

PE or KE? Paper airplane flying through the air.

a)

PE

b)

KE

38.

PE or KE? Bobsled racing down a track

a)

PE

b)

KE

39.

A tiger getting ready to pounce.

a)

PE

b)

KE

40.

PE or KE? A bowling ball rolling down the lane and then sitting in the gutter.

a)

PE

b)

KE

41.

A monkey is hanging from a branch. Gravity is pulling down on him with a force of 25 N. If he is NOT moving and is balanced, what is the NORMAL force from the branch holding him up?

a)

15 N

b)

25 N

c)

35 N

d)

10 m/s2

42.

Aleigha is running full speed trying to catch a fly ball. If she is running with a force of 41 N to the right and hits a wall that exerts a force of 9 N to the left, what is the net force and direction?

a)

35 N to the right

b)

15 N to the left

c)

50 N to the right

d)

15 N to the right

43.

Jake Peralta is standing on top of a 6 meter ladder while painting his house. If he has a mass of 80 kg and gravity is normal, which type of energy does he have, and how much?

a)

PE: 4800 J

b)

KE: 480 J

c)

PE: 7200 J

d)

PE: 48,000 J

44.

A 132 kg tiger is running after a zebra with a velocity of 6 m/s. Which type of energy does the lion have and how much?

a)

KE: 2,376 J

b)

KE: 7,920 J

c)

PE: 2,376 J

d)

PE: 792 J

45.

A 1500 kg empty car is about to crash into the wall during a test. If the car is traveling at 30 m/s, what is the KE of the car?

a)

675,000 J

b)

67,500 J

c)

45,000 J

d)

4,500 J

46.

Change in position in a certain amount of time.

a)

motion

b)

force

c)

joules

d)

speed

47.

Background or object used for comparison.

a)

frame of reference

b)

frame of glasses

c)

frame of window

d)

stationary reference

48.

Rate at which an object moves.

a)

speed

b)

velocity

c)

acceleration

d)

motion sickness

49.

Formula for Speed is

a)

distance / time

b)

distance X time

c)

distance X speed

d)

time / distance

50.

Formula for solving for distance is

a)

speed X time

b)

speed / time

c)

speed X distance

d)

distance X time

51.

Formula for solving for time is

a)

distance / speed

b)

distance X speed

c)

speed / distance

d)

speed / time

52.

Calculate: A car travels at a speed of 25 m/s for 12 minutes. How far did it travel?

a)

18,000 m

b)

300 m

c)

300,000 m

d)

9,000 m

53.

At what speed did a motorcycle travel if it went 3,000 m in 200 s?

a)

15 m/s

b)

600000 m/s

c)

150 m/s

d)

1500 m/s

54.

Kyle is running the 2000m. If he runs at a speed of 6 m/s, how long did it take him to complete the race?

a)

333.33 s

b)

33 s

c)

33 m

d)

12,000 s

55.

To cause an object to change velocity you need to apply a

a)

force

b)

band aid

c)

speed

d)

coverall

56.

The rate at which an object changes its velocity

a)

acceleration

b)

speed

c)

velocity

d)

force

57.

The speed of an object in a given direction.

a)

velocity

b)

speed

c)

acceleration

d)

mass

58.

The formula for force is

a)

mass X acceleration

b)

mass / acceleration

c)

speed X mass

d)

mass X time

59.

The formula for mass is

a)

force / acceleration

b)

force X acceleration

c)

acceleration / force

d)

mass / acceleration

60.

The formula for acceleration is

a)

force / mass

b)

mass / force

c)

force X mass

d)

speed / time

61.

Mass is measured in

a)

kilograms

b)

grams

c)

newtons

d)

m/s

62.

Acceleration is measured in

a)

m/s2

b)

m/s

c)

newtons

d)

mph

63.

Speed is measured in

a)

m/s

b)

mph

c)

m/h

d)

m/s2

64.

Mr. Litchford throws a football down the hall with a force of 17 N. The ball accelerates at a rate of 11 m/s2. What is the mass of the football?

a)

1.55 kg

b)

1.56 kg

c)

187 kg

d)

1.55 g

65.

A bowling ball with a mass of 4.2 kg is rolled with a force of 22 N. How much did it accelerate?

a)

5.24 m/s2

b)

5.24 m/s

c)

92.4 m/s2

d)

92.4 kg

66.

A hockey puck with a mass of 3.2 kg is accelerating at a rate of 9.7 m/s2. What force was applied to it?

a)

31.04 N

b)

0.33 N

c)

3.03 N

d)

31.04 kg

67.

Mr. Minor throws his favorite red ball (which Dr. Carter finally returned to him) with a force of 9 N. It accelerates at a rate of 9.3 m/s2. What is the mass of the red ball?

a)

.97 kg

b)

9.6 kg

c)

.97 g

d)

83.7 N

68.

Distance is measured in

a)

meters

b)

miles

c)

feet

d)

kilograms

69.

An object in motion will stay in motion unless acted upon by a(n)

a)

balanced force

b)

unbalanced force

70.

A person jumps off of a boat causing the boat to move backward in the water. This is an example of which of Newton's Laws?

a)

1st

b)

2nd

c)

3rd

d)

4th

71.

Rosa is riding her motorcycle at a speed of 35 mph. She hits a curb and goes flying over the handlebars of her bike because the motorcycle stopped. This is an example of

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's Law of Figs

d)

not wearing a seatbelt

72.

A javelin is stuck in the ground after being thrown. Scully walks over and pulls it out of the ground. Which of Newton's Laws is this an example of?

a)

Newton's 1st Law

b)

Newton's 3rd Law

c)

Newton's 4th Law

d)

Conservation of Energy

73.

J.D. and Mookie are having a race where they're pushing different members of the Red Sox in wheelbarrows. Mookie gets lucky and has to push a skinny pitcher and J.D. has to push a heavy Hanley Ramirez. Mookie is much faster due to pushing less weight. This is an example of

a)

1st Law

b)

2nd Law

c)

3rd Law

74.

A popular circus or carnival game is to use a giant mallet (hammer) to hit a rubber disc. The harder you hit the disc, the higher the ball travels up a vertical board. This is a good example of

a)

1st Law

b)

2nd Law

c)

3rd Law

75.

When a cannon fires a cannonball, it moves backwards due to the force of the gunpowder igniting. This is an example of

a)

1st Law

b)

2nd Law

c)

3rd Law