A_boy_of_50kg_is_standing_in_a_lift_moving_down_with_an_acceleration_9.8m/s2._The_apparent_weight_of_the_boy_is

(50‚Äö√†√∂‚àö‚â•9.8)N

A_boy_of_50kg_is_standing_in_a_lift_moving_down_with_an_acceleration_9

1.	A_boy_of_50kg_is_standing_in_a_lift_moving_down_with_an_acceleration_9.8m/s2._The_apparent_weight_of_the_boy_is
A.	Zero
B.	(50‚Äö√†√∂‚àö‚â•9.8)N
C.	50N
D.	50/9.8N
Answer» B. (50‚Äö√†√∂‚àö‚â•9.8)N

Discussion

No Comment Found

Related MCQs

A boy of 50kg is standing in a lift moving down with an acceleration 9.8m/s2. The apparent weight of the boy is?
Consider a car moving along a straight horizontal road with a speed of 72km/h. If the coefficient of static friction between the tyres and the road is 0.5, the shortest distance in which the car can be stopped is? (g=10m/s2)
A man weighs 80kg. He stands on a weighing scale in a lift which is moving upwards with a uniform acceleration of 5m/s2. What would be the reading on the scale?
Two racing cars of masses m1 and m2 are moving in circle of radii r1 and r2 respectively. Heir speeds are such that each car makes a complete circle in same time t. The ratio of the angular speed of the first to the second car is ___________
A stone of mass m tied to one end of a string of length l is rotated in a circle with the other end of the string as the centre. The speed of the stone is v. If the string breaks, the stone will ___________
A person sitting in an open car moving at constant velocity throws a ball vertically into the air, the balls falls ____________
A body of mass 2kg begins to slide down a plane inclined at an angle of 45° with the horizontal. The force of friction will be?
If a ladder weighing 250N is placed against a smooth vertical wall having a coefficient of friction between it and floor 0.3, then what is the maximum force of friction available at the point of contact between the ladder and the floor?
A truck and a car are moving with equal velocity. On applying brakes, both will stop after a certain distance, then?
Three different objects of masses m1, m2 and m3 are allowed to fall from rest and from the same point O along three different frictionless paths. The speeds of the three different objects on reaching the ground will be in the ratio of ___________

A_boy_of_50kg_is_standing_in_a_lift_moving_down_with_an_acceleration_9.8m/s2._The_apparent_weight_of_the_boy_is

Discussion

No Comment Found

Related MCQs

Reply to Comment