Neco Physics Past Questions and Answers

Question 221:

• NECO 2004

A force F is applied to a body P as shown in the diagram above. If the body moves through a distance, a, which of the following represents the work done?

A. Fa
B. Fa Cos θ
C. \(\frac{Fa}{\cos \theta}\)
D. FaSin θ
E. \(\frac{Fa}{\sin \theta}\)

Question 222:

• NECO 2004

In which of these fields are repulsive forces NOT experienced?

I. Magnetic field
II. Gravitational field
III. Electric field

A. I only
B. II only
C. III only
D. I and III only
E. II and III only

Question 223:

• NECO 2004

The component of a vector in a given direction is ____________

A. Equal to the magnitude of the resultant vector in that direction
B. Equal to the magnitude of the resultant vector in the opposite direction
C. Its effective magnitude
D. Its effective value in that direction
E. Its effective value in the opposite direction

Question 224:

• NECO 2004

A plane which is Inclined at an angle of 30 ° to the horizontal has a velocity ratio of ____________

A. 2
B. 1
C. 0.87
D. 0.67
E. 0.5

Question 225:

• NECO 2004

A mass of 5kg is suspended from the ceiling of a lift with a light inextensible string. As the lift moves upwards with an acceleration of 2ms^-2, the tension in the string is [g = 10ms^-2]

A. 25N
B. 40N
C. 50N
D. 60N
E. 70N