Forces, Newton's laws and friction

Question 1 of 10

The weight of a 2 kg mass (g = 10 m/s²) is ___ N.

Question 2 of 10

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

Question 3 of 10

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

Question 4 of 10

Newton's third law states that

Question 5 of 10

The coefficient of friction μ equals

Question 6 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 7 of 10

A lift of mass 20 kg accelerates upward at 3 m/s². Find the tension in the cable. (g = 10 m/s²)

Question 8 of 10

A force of 20 N acts on a mass of 10 kg. Find its acceleration.

Question 9 of 10

Weight is

Question 10 of 10

A block of mass 5 kg rests on a rough horizontal surface with μ = 0.3. Find the limiting friction. (g = 10 m/s²)