The acceleration produced in the body is a = F/m, where F is the applied force and m is the mass of the body
When a force F acts on a body of mass m the acceleration of particle becomes a?
That’s the core principle here. Force causes acceleration—simple as that. Now, if multiple forces show up (say, 3F and 4F), you can’t just add them like numbers. You’ve got to treat them as vectors. Picture 3F pushing east and 4F pushing north—your resultant force becomes 5F (thanks, Pythagorean theorem). Suddenly, the acceleration jumps to a = 5F/m. Always break forces into x and y components before you calculate anything. Otherwise, you’ll miss the bigger picture.
When a force acts on a body of mass 100g the change in its velocity?
The change in velocity depends on the force applied and the time duration of the force
Here’s the catch: without knowing how strong the force is or how long it lasts, velocity change is anyone’s guess. But if you’ve got those details, plug them into Δv = F·t / m. Say you’ve got a 1 N force acting for 0.2 seconds on a 0.1 kg mass—suddenly, Δv = 2 m/s. Some answers might throw out 20 cm/s out of nowhere, but that’s only if they’re assuming specific values you weren’t given. Always check the numbers before you trust them.
Under what condition is the acceleration produced in a body?
Acceleration is produced when a net external force acts on the body
Mass isn’t just a number—it’s inertia in action. A force only makes things accelerate if nothing cancels it out. Think of pushing a stuck car: one person pushing? It moves. Two people pushing equally hard in opposite directions? Nothing happens. That’s the key—net force has to be non-zero. Otherwise, acceleration stays at zero, no matter how hard you try.
When accelerating a body the resultant force exerted on it is equal to its?
The resultant force is equal to the mass times the acceleration (F = m·a)
Newton’s Second Law in its purest form. The net force and acceleration always point the same way. A 2 kg object accelerating at 3 m/s²? Net force is 6 N. Zero acceleration? Net force must be zero too—that’s Newton’s First Law sneaking in. If you see constant velocity, you’re seeing zero net force, even if the object is moving fast.
When a force F acts on a body?
A force F acting on a body produces acceleration proportional to F and inversely proportional to mass, per Newton’s Second Law
Every force has a job—gravity pulls, friction slows, tension pulls things together. But acceleration isn’t just about force; mass matters too. A ping-pong ball flies off when kicked, but a bowling ball barely budges. To find the real acceleration, sum all forces (as vectors), then divide by mass. That’s how you get the net effect.
When a force F acts on a particle?
The particle accelerates at a = F/m; with two perpendicular forces (3F and 4F), the net acceleration is a = 5F/m
Vectors are everything here. Draw them tip-to-tail: 3F east and 4F north combine into a 5F resultant northeast. The acceleration follows that direction. Rockets use this trick all the time—vectoring thrust to steer mid-flight. Without vector addition, you’d miss how forces combine to change direction.
What is the velocity of a body of mass 100g?
Velocity depends entirely on context—initial velocity, applied force, and time
Mass alone doesn’t set velocity. Start from rest with a 0.2 N force for 1 second? Final velocity is 2 m/s (Δv = F·t/m). But if it’s already moving at 10 m/s? Different story. Mass changes how much force you need to alter velocity, not the velocity itself. Context is king here.
What is the change in momentum formula?
The change in momentum is Δp = F·t, also written as Δp = m·Δv
This is the impulse-momentum theorem in action. A tennis racket smacking a ball? Force over a tiny time changes momentum fast. Seatbelts do the opposite—they stretch the impact time, reducing force and saving your ribs. Units matter: newtons for force, seconds for time, kg·m/s for momentum. Mess them up, and your answer’s toast.
How much acceleration is gained by a body of mass 2 kg when a force of hundred Newton acts on it?
The acceleration is 50 m/s²
Newton’s Second Law delivers the goods: a = F/m. Plug in the numbers—100 N divided by 2 kg—and you get 50 m/s². That’s over 5 times Earth’s gravity. Race cars exploit this: lighter cars accelerate faster with the same engine force. Every gram counts when you’re chasing speed.
Under which condition can a body have zero acceleration?
A body has zero acceleration when it moves at constant velocity (speed and direction unchanged)
Zero acceleration doesn’t mean parked—it means no change in motion. A car cruising at 60 mph on a straight road? Zero acceleration. Hit the brakes, floor it, or swerve? Acceleration appears. Even a parked car has zero acceleration (and zero velocity). Motion without change is the key.
At what condition acceleration of a moving body is zero?
Acceleration is zero when velocity is constant in both magnitude and direction
Imagine a spaceship coasting between stars with engines off. It’s moving fast, but speed and direction stay fixed—acceleration is zero. On a velocity-time graph, a flat line means zero acceleration. Curves? That’s changing acceleration. Simple as that.
Can acceleration be produced without doing work give example?
Yes—when a force acts perpendicular to the direction of motion
Work needs force and movement in the same direction. Centripetal force (like gravity keeping Earth in orbit) is always perpendicular to motion, so it does no work even though it causes acceleration. Compare that to a car engine pushing forward—it does work by applying force parallel to motion. Satellites orbit forever without engines because perpendicular forces don’t drain their energy.
What are the forces that act on a body to change its state of motion?
The most common force is friction, which opposes motion and slows objects down
Friction isn’t alone in this game—gravity, normal force, air resistance, and applied pushes all join in. But friction’s the star player in everyday life, bringing moving things to a stop. Without it, a hockey puck would glide forever. Engineers obsess over reducing friction in machines to boost efficiency and longevity. Every little bit of resistance adds up.
What are the forces that act on the ball?
The ball experiences weight (gravity), drag (air resistance), and lift (aerodynamic force)
Weight pulls down, drag fights the ball’s motion, and lift acts perpendicular—up for fly balls, sideways for curveballs. Baseball pitchers spin the ball to tweak lift and mess with hitters. Soccer players do the same with free kicks, curving the ball mid-air. These forces team up to shape the ball’s path. Physics in action.
What is work done formula?
Work done is W = F·d·cosθ, the product of force, displacement, and the cosine of the angle between them
Parallel force and displacement? cosθ = 1, so work is just force times distance. Perpendicular? cosθ = 0, so no work gets done. Carrying a box while walking? Your muscles burn, but physics says zero work on the box. Holding a heavy box feels exhausting, but the box isn’t moving in the direction of your force—so no work, technically. Physics can be sneaky like that.
Edited and fact-checked by the FixAnswer editorial team.
