Motion and pressure

Question 1 of 10

A car moving at 72 km/h brakes uniformly to rest in 5 s. The stopping distance is

Question 2 of 10

A mercury barometer reads 76 cm. The atmospheric pressure is (ρ = 13,600 kg/m³, g = 10 m/s²)

Question 3 of 10

A hydraulic press works because pressure applied to an enclosed liquid

Question 4 of 10

A diver at 20 m depth in sea water (ρ = 1,030 kg/m³) experiences a total pressure of about (atmospheric 1.0 × 10⁵ Pa, g = 10 m/s²)

Question 5 of 10

A body moves with uniform velocity. Its acceleration is

Question 6 of 10

A box of weight 600 N rests on an area of 2 m². The pressure it exerts is

Question 7 of 10

A force of 200 N acts on an area of 4 m². The pressure is

Question 8 of 10

In a hydraulic press, a 50 N force on a 0.01 m² piston lifts a load on a 0.5 m² piston of

Question 9 of 10

A train accelerates at 0.5 m/s² from rest. The time to reach 25 m/s is

Question 10 of 10

What is the pressure 2 m below the surface of water? (Density of water = 1,000 kg/m³)