Advertisements
Advertisements
Question
Which of the following statement is not correct for an object moving along a straight path in an accelerated motion?
Options
Its speed keeps changing
Its velocity always changes
It always goes away from the earth
A force is always acting on it
Advertisements
Solution
It always goes away from the earth
Explanation:
An object moving along a straight path in an accelerated motion does not always go away from the earth.
APPEARS IN
RELATED QUESTIONS
Give one example in the case where the force is of contact.
A ball is hanging by a thread from the ceiling of the roof. Draw a neat labelled diagram showing the forces acting on the ball and the string
Prove the force = mass x acceleration. State the condition when it holds.
Which of the following is not the force at a distance:
(a) electrostatic force
(b) gravitational force
(c) frictional force.
(d) magnetic force.
Newton's second law of motion applicable in all condition is:
(a) `F = (Δp)/(Δt)`
(b) F = ma
(c) `F = M (Δv)/(Δt)`
(d) all three
Give two examples each of contact and non-contact forces.
A ball was set rolling on a large table. If its ______ is to be changed, a ______ will have to be applied on it.
One kilogram-force equals to
In ‘tug of war’ when two teams pull equally hard, then what happens?
Briefly explain how we experience a force in our daily life.
