Physics-
General
Easy
Question
A car of mass 1500 kg. If the speed of car is changed from 30 km/h to 60 km/h, then the work done by car is
- 1 ×105J
- 1.56 × 105J
- 2 × 105J
- 2.5 × 105J
The correct answer is: 1.56 × 105J
Related Questions to study
physics-
A body of mass 2 kg is held 3 m above the floor of a room. The potential energy of the body relative to the floor is (g = 9.8 m/s2)
A body of mass 2 kg is held 3 m above the floor of a room. The potential energy of the body relative to the floor is (g = 9.8 m/s2)
physics-General
physics-
A force of 5 N acts on a body of weight 9.8 N. The acceleration produced in m/s2 is
A force of 5 N acts on a body of weight 9.8 N. The acceleration produced in m/s2 is
physics-General
physics-
Frictional force is directly proportional to the
Frictional force is directly proportional to the
physics-General
physics-
A machine gun has a mass of 20 kg. It fires 25 g bullets at the rate of 600 bullets per minute with a speed of 200. The recoil velocity of gun is
A machine gun has a mass of 20 kg. It fires 25 g bullets at the rate of 600 bullets per minute with a speed of 200. The recoil velocity of gun is
physics-General
physics-
Action and reaction
Action and reaction
physics-General
physics-
The tension in string OB is
The tension in string OB is
physics-General
physics-
Shown in the figure, the tension in string OA is
Strings are masters and inextensible.
Shown in the figure, the tension in string OA is
Strings are masters and inextensible.
physics-General
physics-
The tension in string ‘B’ is
The tension in string ‘B’ is
physics-General
physics-
Shown in the figure, the tension in string ‘C’ is
Shown in the figure, the tension in string ‘C’ is
physics-General
physics-
Shown in the given figure, the net force acting parallel to the inclined plane is
Shown in the given figure, the net force acting parallel to the inclined plane is
physics-General
physics-
Shown in the figure , normal force acting on the block is
Shown in the figure , normal force acting on the block is
physics-General
physics-
The force acting along y-axis is
The force acting along y-axis is
physics-General
physics-
The net force acting along horizontal direction is
The net force acting along horizontal direction is
physics-General
physics-
Normal force acting on the block is
Normal force acting on the block is
physics-General
physics-
A 150g ball, traveling at 30m/s, strikes the palm of player’s hand and is stopped in 0.05sec. The force exerted by the ball on the hand is
A 150g ball, traveling at 30m/s, strikes the palm of player’s hand and is stopped in 0.05sec. The force exerted by the ball on the hand is
physics-General