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PHYS1ET-Q03

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Which of the following is not a vector quantity?

a)

Energy

b)

Force

c)

Displacement

d)

Momentum

2.

A 300-N force, at -30º degrees standard position has what vector components?

a)

North & East

b)

North & West

c)

South & East

d)

South & West

3.

The process of expanding a force or a force system into a less simple equivalent system.

a)

Reduction

b)

Resolution

c)

Retention

d)

Revolution

4.

Which of the following is not true?

a)

Coplanar forces may be non-concurrent forces

b)

Parallel forces may be concurrent forces

c)

Non-concurrent forces may be parallel forces

d)

Non-coplanar forces may be concurrent forces

5.

A force with equal magnitude but opposite direction to a resultant force will _____________

a)

increase the force causing motion

b)

place the system in equilibrium

c)

reduce the net force of the system

d)

not change the state of motion

6.

Which is not in mechanical equilibrium?

a)

A hanging sign

b)

A book on a table

c)

A racing car

d)

A satellite orbiting

7.

The magnitude of the resultant of two forces is minimum when the angle between them is:

a)

b)

45º

c)

90º

d)

180º

8.

The mass of an object is 32.5 grams, what is the object’s weight?

a)

0.319 N

b)

2.98 N

c)

319 N

d)

0.298 N

9.

 Select the equation that represents the application of force equilibrium in the x-direction or  \sum_{ }^{ }F_x 

a)

100N + Fcos45° - Pcos45° = 0

b)

100N + Fsin45° - Psin45° = 0

c)

100Ncos30° + Fcos75° - Pcos15° = 0

d)

100Nsin60° + Fsin15° - Psin75° = 0

10.

Vector A points North and vector B points East. If vector C = B + (-A), then vector C points

a)

South of East

b)

South of West

c)

North of West

d)

North of East