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WorksheetsReview: Forces (NA/Combined Sci)
Total questions: 27
Worksheet time: 27mins
Name
Class
Date
1.
A box of mass 2 kg is being pushed horizontally on a smooth surface by a 10 N force. What is the acceleration of the box?
a)
0 m/s^2
b)
0.2 m/s^2
c)
5 m/s^2
d)
20 m/s^2
2.
An object experiences an acceleration of 6 m/s2. Given that the object is 15 kg, calculate the force the object experiences.
a)
2.5 N
b)
90 N
c)
150 N
d)
900 N
e)
0 N
3.
An object experiences an acceleration of 3 m/s^2. Given that the object is 20 kg, calculate the force the object experiences.
a)
0 N
b)
6.7 N
c)
60 N
d)
200 N
e)
600 N
4.
An object experiences an acceleration of 4 m/s^2. Given that the object is 80 kg, which formula can help us to determine the applied force that caused it to accelerate?
a)
F = ma
b)
W = mg
c)
a = (v-u) / t
d)
P = F/A
5.
A box of mass 2 kg is being pushed horizontally on a smooth surface by a 10 N force. Which formula helps us to find the acceleration of the box in this question?
a)
F = ma
b)
W = mg
c)
a = (v-u) / t
d)
P = F/A
6.
A box of mass 20 kg is being pushed horizontally on a smooth surface by a 10 N force. What is the acceleration of the box?
a)
0 m/s^2
b)
0.5 m/s^2
c)
2 m/s^2
d)
200 m/s^2
7.
A box of mass m is being pushed horizontally on a smooth surface by a 10 N force. It accelerates at 2m/s^2. What is the value of m?
a)
1 kg
b)
5 kg
c)
8 kg
d)
20 kg
8.
A box of mass m is being pushed horizontally on a smooth surface by a 10 N force. It accelerates at 20 m/s^2. What is the value of m?
a)
0.5 kg
b)
1 kg
c)
2 kg
d)
200 kg
9.
A box of mass m is being pushed horizontally on a smooth surface by a 20 N force. It accelerates at 40 m/s^2. What is the value of m?
a)
0.5 kg
b)
1 kg
c)
2 kg
d)
800 kg
10.
A box of mass m is being pushed horizontally on a smooth surface by a 40 N force. It accelerates at 20 m/s^2. What is the value of m?
a)
0.5 kg
b)
1 kg
c)
2 kg
d)
800 kg
11.
An object travels at a constant speed of 6 m/s. Given that the object is 15 kg, calculate the net force the object experiences.
a)
2.5 N
b)
90 N
c)
150 N
d)
900 N
e)
0 N
12.
An object travels at a constant speed of 3 m/s. Given that the object is 20 kg, calculate the net force the object experiences.
a)
0 N
b)
6.7 N
c)
60 N
d)
200 N
e)
600 N
13.
An object of 100 N weight is standing on a wooden board of 6 m2. Calculate the pressure exerted by the man.
a)
0 N/m^2
b)
0.06 N/m^2
c)
16.7 N/m^2
d)
600 N/m^2
14.
An object of 200 N weight is standing on a wooden board of 4 m2. Calculate the pressure exerted by the man.
a)
0 N/m^2
b)
4 N/m^2
c)
20 N/m^2
d)
50 N/m^2
15.
An object rests on a wooden board of 4 m^2. Given that the pressure the board exerts is 400 Pa, calculate the weight of the object.
a)
0.01 N
b)
100 N
c)
400 N
d)
1600 N
16.
An object rests on a wooden board of 2 m^2. Given that the pressure the board exerts is 500 Pa, calculate the weight of the object.
a)
0.01 N
b)
250 N
c)
500 N
d)
1000 N
17.
An object of 600 N exerts a pressure of 1200 N/m^2 on the ground. What is the base area of the object?
a)
0.5 m^2
b)
2 m^2
c)
4 m^2
d)
720 000 m^2
18.
An object of 1200 N exerts a pressure of 600 N/m^2 on the ground. What is the base area of the object?
a)
0.5 m^2
b)
2 m^2
c)
4 m^2
d)
720 000 m^2
19.
A box of mass 2 kg is being pushed horizontally on a smooth surface by a 10 N force. What is the weight of the box? (Take g = 10N/kg)
a)
2 N
b)
5 N
c)
10 N
d)
20 N
20.
A box of mass 4 kg is being pushed horizontally on a smooth surface by a 20 N force. What is the weight of the box? (Take g = 10 N/kg)
a)
4 N
b)
5 N
c)
20 N
d)
40 N
21.
An object experiences an acceleration of 3 m/s^2. Given that the object is 20 kg, calculate the weight of the object. (Take g = 10 N/kg)
a)
6.33 N
b)
20 N
c)
60 N
d)
200 N
22.
An object experiences an acceleration of 20 m/s^2. Given that the object is 10 kg, calculate the weight of the object. (Take g = 10 N/kg)
a)
0.5 N
b)
2 N
c)
100 N
d)
200 N
23.
A box of mass 2 kg is pushed horizontally on a rough surface by a 10 N force. Given that the acceleration of the box is 1m/s^2, what is the friction between the box and the rough surface?
a)
5 N
b)
8 N
c)
10 N
d)
12 N
24.
A box of mass 2 kg is pushed horizontally on a rough surface by a 10 N force. Given that the frictional force is 4 N, what is the acceleration of the box?
a)
3m/s^2
b)
7 m/s^2
c)
12m/s^2
d)
28m/s^2
25.
A box of mass 4 kg is pushed horizontally on a rough surface by a 12 N force. Given that the box moved at a constant speed of 2m/s, what is the friction between the box and the rough surface?
a)
4 N
b)
12 N
c)
16 N
d)
20 N
26.
A box is being pushed across a horizontal ground at constant speed. If the push is stopped, the box will…..
a)
stop immediately
b)
continue to move at constant speed
c)
start slowing down
d)
move at constant speed for a while and then slow down.
27.
A box is being pushed across a smooth horizontal surface with constant acceleration. If the push is stopped, the box will…..
a)
stop immediately
b)
continue to move at constant speed
c)
start slowing down
d)
move at constant speed for a while and then slow down.
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