Forces, Newton's laws and friction

Question 1 of 10

A lift of mass 2 kg accelerates upward at 5 m/s². Find the tension in the cable. (g = 10 m/s²)

Question 2 of 10

A force of 20 N acts at 30° to the horizontal. Find its horizontal component to 1 decimal place.

Question 3 of 10

A block of mass 8 kg is pulled along a rough horizontal floor by a horizontal force of 40 N. The coefficient of friction is 0.25. Find the acceleration. (g = 10 m/s²)

Question 4 of 10

State Newton's three laws of motion and give a daily example of each.

Question 5 of 10

A block of mass 50 kg rests on a rough horizontal surface with μ = 0.2. Find the limiting friction. (g = 10 m/s²)

Question 6 of 10

Tension in a light string is the same throughout.

Question 7 of 10

The weight of a 3 kg mass (g = 10 m/s²) is ___ N.

Question 8 of 10

A block of mass 5 kg rests on a rough horizontal surface with μ = 0.2. Find the limiting friction. (g = 10 m/s²)

Question 9 of 10

A particle of mass 2 kg is acted on by forces (6i + 4j) N and (2i − 8j) N. Find its acceleration.

Question 10 of 10

A force of 8 N acts on a mass of 2 kg. Find its acceleration.