Mechanical Aptitude Forces and Motion Principles Questions and Answers 2

Question 1

A 5 kg object is accelerating at 3 m/s². What is the net force acting on it?

Accepted Answer

15 N

Answer

8 N

Answer

1.67 N

Answer

2 N

Question 2

What is the term for the tendency of an object to resist changes in its state of motion?

Accepted Answer

Inertia

Answer

Momentum

Answer

Friction

Answer

Gravity

Question 3

When two objects collide and stick together, what type of collision has occurred?

Accepted Answer

Inelastic collision

Answer

Elastic collision

Answer

Perfectly elastic collision

Answer

Static collision

Question 4

An object is thrown straight up into the air. At the highest point of its trajectory, what is its velocity?

Accepted Answer

Zero

Answer

Maximum

Answer

Equal to initial velocity

Answer

Negative

Question 5

What is the relationship between action and reaction forces according to Newton's Third Law?

Accepted Answer

They are equal in magnitude and opposite in direction

Answer

They act on the same object

Answer

The reaction is always greater

Answer

They cancel each other out

Question 6

A car traveling at 60 km/h has how much kinetic energy compared to the same car at 30 km/h?

Accepted Answer

Four times as much

Answer

Twice as much

Answer

Three times as much

Answer

The same amount