Vectors Test - ...

P, Q and R are three coplanar forces acting at a point and are in equilibrium, Given P = 1.9318 kg wt, sin θ₁ = 0.9659, the value of R is (in kg wt)

A body is in equilibrium under the action of three coplanar forces P, Q and R as shown in the figure. select the correct statement

If a body is in equilibrium under a set of non-collinear forces, then the minimum number of forces has to be

How many minimum number of non-zero vectors in different planes can be added to give zero resultant

As shows in figure the tension in the horizontal cord is30 N. The weight W and tension in the string OA in Newton are

Two cars are moving in the same direction with the same speed 30 km/hr. They are separate d by distance of 5 km, the speed of a car moving in the opposite direction if it meets these two cars at an interval of 4 minutes, will be

A boat crosses a river with a velocity of 8 km/h. If the resulting velocity of boat is 10 km/h then the velocity of river water is

A boat takes two hours to travel 8 km and back in still water. If the velocity of water is 4 km/h, the time taken for going upstream 8 km and coming back is