Home
Class 11
PHYSICS
The motion of a particle of mass (m) is ...

The motion of a particle of mass (m) is described by `y = ut + 1/2 "gt"^2` . Find the force acting on the particle

A

2 mg,

B

mg

C

`(mg)/(2)`,

D

`4mg`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

The motion of a particle of mass m is described by y =ut + (1)/(2) g t^(2) . Find the force acting on the particale .

The velocity of a particle of mass 2 kg is given by vec(v)=at hat(i)+bt^(2)hat(j) . Find the force acting on the particle.

If the potential energy function of a particle is given by U=-(x^2+y^2+z^2) J, whre x,y and z are in meters. Find the force acting on the particle at point A(1m,3m,5m) .

In the given figure, find the force acting on a particle of mass 1 kg.

In a two dimensional space the potential energy function for a conservative force acting on a particle of mass m = 0.1 kg is given by U = 2 (x + y) joule (x and y are in m). The particle is being moved on a circular path at a constant speed of V = 1 ms ^(-1) . The equation of the circular path is x^2 + y^2 = 42 . (a) Find the net external force (other than the conservative force) that must be acting on the particle when the particle is at (0, 4). (b) Calculate the work done by the external force in moving the particle from (4, 0) to (0, 4).

A ball of mass m performs uniform circular motion in a circle of radius R. Linear momentum is represented by p. The radial force acting on the particle is

Two particles of a mass 2m and m are tied with an inextensible string the particle of mass m is given a speed V as shown in the figure. Find the speed with which the particle of mass 2m starts moving.

Force acting on a particle varies with displacement as shown is Fig. Find the work done by this force on the particle from x=-4 m to x = + 4m. .

The magnitude of torque on a particle of mass 1 kg is 2.5 Nm about the orifgin.If the force acting it is 1 N, and the distance of the particle from the origin is 5 m, the angle between the force and the position vector is (in radians):