Kinematics Solving Word Problems

Which of the following statement is true when an object is moving with a constant velocity?

• Acceleration is negative.

• Acceleration is changing.

• Acceleration is equal to zero.

• Acceleration can be negative or positive.

Which of the following statement best describes a uniformly accelerated motion?

• When an object is moving with zero acceleration.

• When an object is moving with constant acceleration.

• When an object is moving with increasing acceleration.

• When an object is moving with decreasing acceleration.

While motorcycle drivers were prone to an accident EXCEPT which of the following?

• Because the driver observes the correct speed limit.

• Because the driver did not follow the road safety warnings.

• Because the driver did not know when to speed up or slow down.

• Because the driver crossed the road outside of a pedestrian crossing.

Which of the following activities where uniform acceleration can be observed?

• Riding a bicycle with constant velocity.

• Jogging early in the morning at a uniform speed.

• Using a motorcycle with the same velocity during the COVID-19

  pandemic to buy essential needs of the family.

• Driving a car to accelerate at 1 m/s² when traffic lights become green, then suddenly stepped on a brake to decelerate until the car stops when it turns to red.

The following describes the importance of understanding uniformly accelerated motion EXCEPT ____________________.

• To avoid “tail-gating phenomena”.

• To join in a car racing competition.

• To have a successful rocket launching.

• To analyze the motion in a body pursuit situation.

Which of the following statement best describes free fall?

• An object is always moving with the same speed.

• An object is moving in a linear motion with constant velocity.

• An object is moving in which initial velocity and final velocity are equal.

• An object is moving in which only acceleration due to gravity affects its motion.

Adrian walks 8.00 m due north and then 6.00 m due west. What are the magnitudes of his distance and displacement respectively?

• 2.00 m; 10.0 m

• 10.0 m; 10.0 m

• 14.0 m; 10.0 m

• 14.0 m; 14.0 m

A mountaineer has a displacement of 45.0 m, 20^o North of West. Which of the following is equivalent to his direction?

• 20^o South of West

• 20^o South of East

• 70^o East of North

• 70^o West of North

In a drill during basketball practice, a player runs the length of a 30-meter court and back. The player does this three times in 60 seconds. What is the magnitude of the player's total displacement after running the drill?

• 0 m

• 30 m

• 60 m

• 180 m

During a soccer match, a spectator walks 50 m to the North then 120 m to the East. If he decided to go back to his initial position, which path should he take?

• 130 m, 23^o North of East

• 130 m, 23^o South of West

• 170 m, 67^o North of East

• 170 m, 67^o South of West