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Worksheets

UE1 Review

Total questions: 30

Worksheet time: 20mins

Name
Class
Date
1.

A car is placed in neutral and on flat ground not moving. The car weighs 800 pounds. If a force of 40 N is applied to the front of the car and a force of 30 N is applied to the back of the car, what will happen?

a)

The car will not move

b)

The car will move forward

c)

The car will move backwards

d)

The car will flip over

2.

The speed and direction of an object is it's ___________.

a)

Momentum

b)

Velocity

c)

acceleration

d)

Inertia

3.

The change in the position of an object is it's _________.

a)

momentum

b)

speed

c)

motion

d)

acceleration

4.

Anything that turns or changes it's direction (including things in orbit) is ___________.

a)

Going a constant speed

b)

moving

c)

accelerating

d)

decelerating

5.

If the forces acting on an object are unbalanced, then the object must be ____________.

a)

balanced

b)

at rest

c)

accelerating

d)

momentum

6.

Throughout a roller coaster ride you will feel acceleration when.....?

a)

you turn left, right, up, or down

b)

speed up

c)

slow down

d)

all of the above

7.

According to Newton's second law a Force is equal to what?

a)

mass / volume

b)

force * speed

c)

acceleration * mass

d)

mass * velocity

8.

Which object has more Inertia?

a)

mass of 20 kg

b)

mass of 20 kg moving at 10 km/h

c)

mass of 50 kg

d)

mass of 50 kg moving 7 km/h

9.

Which of Newton's laws explains why an object in space will stay in motion once it starts moving?

a)

Newton's first law

b)

Newton's second law

c)

Newton's third law

10.

A person’s body is thrown outward as a car rounds a curve on a highway.

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

None of them

11.
A picture is hanging on a wall and does not move.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
12.

A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.

a)

The Law of Inertia / Newton's first law

b)

The Law of Acceleration

c)

The Law of Conservation of Momentum

13.

Which law is this picture an example of?

a)

Law of Inertia

b)

Law of Action / Reaction

c)

Law of Force and Acceleration

14.

Which law states that the acceleration of an object depends on the force exerted on it and its mass?

a)

1st Law

b)

2nd Law

c)

3rd Law

15.
An object in motion will stay in what kind of motion as long as the net forces acting on it are zero?
a)
slowing motion in a straight line
b)
accelerating motion in a straight line
c)
constant motion in a straight line
d)
constant motion in an unpredictable direction
16.
friction is a force that acts 
a)
in the same direction as the motion
b)
opposite to the direction of the motion
c)
opposite to the applied forces
d)
the same direction as the applied force
17.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron? 
a)
feathers 
b)
iron
c)
same
d)
depends on their friction
18.
F=MA
If you are pushing a 1000 kg car at 0.5 m/s2, how many newtons would that be? 
a)
2000 N
b)
60N
c)
500 N
d)
12 N
19.
What Unit do we Measure Force in? 
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
20.
F=MA 
Going down a hill a 12 kg sled has a force of 36 N. What is it's acceleration? 
a)
2 m/s2
b)
3 m/s2
c)
432 m/s2
d)
0.33 m/s2
21.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
22.
What happens when unbalanced forces act on an object at rest?
a)
the object remains at rest
b)
the object begins moving in an unpredictable direction
c)
the object begins moving in the direction of the net force
d)
the object begins moving opposite to the direction of net force
23.
If you increase the mass on an object, its acceleration
a)
decreases
b)
stays the same
c)
also increases
d)
stops
24.
A resistance to a change in motion is 
a)
acceleration
b)
inertia
c)
gravity
d)
velocity
25.

The graph above represents position x versus time t for an object being acted on by a constant force.  The average speed during the interval between 1 s and 2 s is most nearly

a)

2 m/s 

b)

4 m/s 

c)

5 m/s

d)

6 m/s

26.
A change in velocity over time is known as:
a)
acceleration
b)
constant speed
c)
average speed
d)
displacement
27.

A car is traveling to the right with a speed of 29​​m/s when the rider slams on the accelerator to pass another car. The car passes in 110 m with constant acceleration and reaches a speed of 34m/s. We want to find the acceleration of the car as it sped up. What equation should you choose?

a)

v=vo+at

b)

x=vot+1/2at2

c)

v2=vo2+2ax

d)

x=1/2(v+vo)t

28.

What happens to the velocity of a ball as it is dropped off a cliff?

a)

It decreases speed at a uniform rate

b)

It increases speed at a uniform rate

c)

It is moving at a constant speed

d)

It increases speed at a non-uniform rate

29.

Which pair of graphs represent the same motion

a)

a

b)

b

c)

c

d)

d

30.

At which point(s) is the object changing direction?

a)

Point A

b)

Point B

c)

Point C

d)

Point B and C

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