waec model questions vol1 2017 physics
Essay • Question 4
Question 4
WAEC_MODEL_QUESTIONS_VOL1
•
2017
A block of mass 5 kg is resting on a horizontal surface. A horizontal force of 20 N is applied to the block. Calculate the acceleration of the block, considering the coefficient of friction between the block and the surface is 0.2. Discuss the factors affecting the motion of the block.
Question Parts
(
a
)
Determine the normal force acting on the block.
(
b
)
Calculate the frictional force acting on the block.
(
c
)
Determine the net force acting on the block and calculate the acceleration.
(
d
)
Discuss the factors affecting the motion of the block.
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