Exploring Motion and Forces Test

What is the formula for calculating speed?

• Speed = Distance × Time

• Speed = Distance ÷ Time

• Speed = Time ÷ Distance

• Speed = Distance + Time

If a car travels 150 kilometers in 3 hours, what is its average speed?

• 45 km/h

• 50 km/h

• 55 km/h

• 60 km/h

Which of the following best describes velocity?

• The rate of change of speed

• Speed in a given direction

• The total distance traveled

• The time taken to travel a distance

A cyclist accelerates from 0 m/s to 10 m/s in 5 seconds. What is the cyclist's acceleration?

• 1 m/s²

• 2 m/s²

• 3 m/s²

• 4 m/s²

Which graph best represents an object moving at a constant speed?

• A straight horizontal line

• A straight diagonal line

• A curved line

• A vertical line

What is the net force on an object if two forces of 5 N and 10 N are acting in opposite directions?

• 5 N

• 10 N

• 15 N

• 0 N

According to Newton's first law, an object at rest will remain at rest unless acted upon by a(n) _______.

• Balanced force

• Unbalanced force

• Gravitational force

• Frictional force

A 10 kg object is pushed with a force of 20 N. What is the acceleration of the object?

• 1 m/s²

• 2 m/s²

• 3 m/s²

• 4 m/s²

Which of the following is an example of work being done?

• Holding a book in place

• Pushing a car that doesn't move

• Lifting a box off the ground

• Standing still

Calculate the work done when a force of 15 N moves an object 3 meters.

• 30 J

• 45 J

• 60 J

• 75 J