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AQA P8 Forces triple

Total questions: 36

Worksheet time: 1hrs 12mins

Name
Class
Date
1.

Velocity is an example of a

a)

Vector

b)

Scalar

2.

Time is an example of a

a)

Vector

b)

Scalar

3.
Wind blowing at 20 mph.Vector or scalar?
a)
Scalar
b)
Vector
4.
Which symbol is used to show vector quantities?
a)
Circle
b)
Line
c)
Arrow
d)
Triangle
5.

How do scalars and vectors differ?

a)

scalers have units

b)

scalers have direction

c)

vectors have units

d)

vectors have direction

6.

Distance is which of the following?

a)

Vector

b)

Scalar

7.

Displacement is which of the following?

a)

Vector

b)

Scalar

8.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
 direction
9.
Which of these is not a vector quantity? 
a)
displacement 
b)
time
c)
velocity 
d)
acceleration
10.

Newtons law states that for every action, there is an_________ reaction

a)

unequal and opposite

b)

stronger and opposite

c)

equal and similar

d)

equal and opposite

11.

Force always come in________

a)

waves

b)

triplets

c)

pairs

12.

The illustration shows the forces in Newtons (N) acting on three different blocks. Which blocks will move under these conditions?

a)

Blocks 1 and 2

b)

Blocks 2 and 3

c)

Blocks 1, 2, and 3

d)

Blocks 1 and 3

13.

A book pushes down on a table with a force of 5N, the table..

a)

Pushes back with a force of 5N

b)

Pushes back with a force less than 5N

c)

Pushes back with a forcec greater than 5N

d)

Does nothing. A table has no force.

14.

According to Newton’s Third Law, when you lean on a wall, which force is greater?

a)

the wall's force

b)

your force

c)

the force of friction

d)

they are equal

15.

Which of the following is an example of Newton’s Third Law:

a)

You jump on a trampoline. It springs you back into the air.

b)

A swimmer pushes against a pool wall to begin swimming a lap.

c)

A rocket’s thrust pushes it out of Earth's atmosphere.

d)

All of the above

16.
What is 'drag' another name for?
a)
dressing up
b)
air resistance
c)
friction
d)
weight
17.
What is the name for a single force on an object with the same effect as all the forces combined?
a)
big
b)
total
c)
resultant
d)
sum
18.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
19.

What is the resultant force?

a)

40 N, Left

b)

0 N, Balanced

c)

400 N, Right

d)

40 N, Right

20.

What is the resultant force?

a)

400 N, Up

b)

400 N, Down

c)

800 N, Up

d)

800 N, Down

21.

What is the resultant force?

a)

17 N, Left

b)

6N, Right

c)

11N , Left

d)

12N, Left

22.

What is the resultant force?

a)

40N, Left

b)

40N, Right

c)

0N, Balanced

d)

75N, Right

23.

The diagram shows a uniform, flat metal sheet hanging freely from a nail at point A. One of the labelled points is at the centre of mass of the metal sheet.

Which point is at the centre of mass?

a)

A

b)

B

c)

C

d)

D

24.

Where the center of mass of a circle lies?

a)

At its centre

b)

Anywhere on its radius

c)

Anywhere on its circumference

d)

Anywhere on its diameter

25.

Do all objects have a centre of gravity?

a)

No objects have a centre of gravity

b)

Only some objects have a centre of gravity

c)

Only very heavy objects have a centre of gravity

d)

Yes all objects have a centre of gravity

26.

Moment is a measure of the turning effect of a force.

a)

True

b)

False

27.

Moment = force / distance from pivot

a)

True

b)

False

28.

What is the moment acting on the left side of the pivot?

a)

2 Nm

b)

20 Nm

c)

200 Nm

d)

0.2 Nm

29.

What is the moment acting on the right side of the pivot?

a)

2 Nm

b)

20 Nm

c)

200 Nm

d)

0.2 Nm

30.

A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?

a)

2 m

b)

4 m

c)

1 m

d)

0.5 m

31.

A force exerts a moment of 2 Nm. What is the distance of the force from the pivot?

a)

1 m

b)

0.5 m

c)

0.2 m

d)

0.25 m

32.
What is the moment acting on the seesaw?
a)
1.6Nm
b)
15Nm
c)
16N
d)
4Nm
33.
A seesaw is unbalanced with two people of different masses sitting equal distances from the center. Which of the following will result in equilibrium?
a)
The larger person moving further away from the center.
b)
Moving the smaller person closer to the center.
c)
Moving the smaller person further from the center.
d)
Making the larger person do nothing.
34.

How are large gears different from small gears?

a)

no difference, they are the same

b)

small gears turn with more force than large gears

c)

large gears turn with more force than small gears

d)

large gears have fewer teeth than small gears

35.

Which tool would require torque to operate?

a)

hammer

b)

screwdriver

c)

pliers

d)

scissors

36.

what are gears?

a)

rotating circle

b)

Rotating circular machine part having cut teeth.

c)

Rotating circular macine part

d)

car wheels