Resultant Forces (GCSE Physics)

Two 8 N forces act on a point separated by 120°. What is the magnitude of the resultant? (Resultant = sqrt(8^2+8^2+2·8·8·cos120°))

An object has three coplanar forces: 8 N east, 15 N north, and 17 N west. What is the resultant magnitude and direction?

Two equal forces of 15 N act symmetrically at 30° either side of the vertical. What is the resultant and its direction?

A student applies a 10 N push at the centre of a uniform disk causing no rotation and the disk remains at constant speed. What is the resultant horizontal force?

A stationery object is in equilibrium. Which statement about the forces on it is correct?

Two forces act at right angles: 9 N north and 12 N east. Which of these is the magnitude of the resultant?

A weight of 250 N hangs from two ropes making 60° to the vertical on each side (symmetric). What is the tension in each rope? (Vertical components add to 250 N; use cos 60° = 0.5)

A lift is held stationary by the cable. The lift’s weight is 9800 N downward and the cable pulls 9800 N upward. If the lift motor stops and the cable suddenly provides 9600 N upward, what is the resultant force and acceleration direction?

A student pushes a trolley with a horizontal force of 15 N. Friction acts opposite with 9 N. What is the resultant force and is the trolley accelerating or decelerating?

A throwing athlete applies 800 N for 0.20 s to a shot. What is the impulse delivered?

A block on a slope experiences gravity component 40 N down the slope and friction 25 N up the slope. What is the resultant along the slope and will the block accelerate up or down?