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Net Force and Speed Practice

Total questions: 20

Worksheet time: 26mins

Name
Class
Date
1.

If the wind is heading south with a force of 5 N, and a car is going north with force of 78936 N, what is the Net Force and Direction.

a)

78931 N North

b)

78931 N South

c)

78531 N North

d)

78531 N South

2.

If a car has a force of 54 N forwards and the brakes have a force of 73 N backwards, what is the overall Net Force.

a)

16 backwards

b)

19 forwards

c)

18 backwords

d)

23 forwards

3.

How do you find the net force of this image.

4 lines
4.

What is the net force and to what direction.

a)

210 N to the right

b)

280 N to the right

c)

110 N to the left

d)

180 N to the left

5.

What is the overall Net Force and which side has a greater Net Force?

a)

671, Left

b)

70, Left

c)

601, Right

d)

70, Right

6.

Is the Net Force balanced or Unbalanced?

a)

Balanced

b)

Unbalanced

7.

If a person is picking up a book with the force of 50 N and the gravity is pushing down with 15 N, what is the net force?

a)

50 N

b)

35 N

c)

65 N

d)

15 N

8.

If an object is moving, what does it have to be doing to still be considered a balanced force?

a)

moving at a constant speed

b)

be unbalanced

c)

stop moving

d)

slow down

9.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
10.
Avery likes to walk 30 feet in 10 seconds. What is her speed?
a)
3 feet/sec
b)
6 feet/sec
c)
10 feet/sec
d)
2 feet/sec
11.

Find the velocity of a plane that traveled 3000 miles west in 5 hours.

a)

65 mph

b)

600 mph

c)

600 mph west

d)

600 mph

12.
If you travel 7.5 km and walk for 1.5 h, what is your average speed?
a)
5 km/h
b)
11.25 km/h
c)
0.2 km/h
13.
You are riding your bike at 9 km/h. Ten minutes later, your speed is 6 km/h.
a)
Acceleration occurred because speed increased.
b)
Acceleration occurred because speed decreased.
c)
Acceleration occurred because you changed directions.
14.
a)
Potential Energy
b)
Kinetic Energy
15.

Which of these has the most potential energy.

a)

A

b)

B

c)

C

d)

D

16.

If a football player wants to become better at tackling by increasing his or her kinetic energy, how can the player do this?

a)

Increase his/her height

b)

Increase his/her speed

c)

Increase his/her mass

d)

Decrease his/her speed

17.

As potential energy decreases kinetic energy

(a)  

18.

As potential energy decrease Kinetic energy

(a)  

19.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
20.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4