Advertisements
Advertisements
Question
The moon attracts Earth with a force of 1020 N, and then the force with which the Earth attracts the moon is ______.
Options
Less than 1020 N.
1020 N.
10−20 N.
greater than 1020 N.
Solution
The moon attracts Earth with a force of 1020 N, then the force with which the Earth attracts moon is 1020 N.
APPEARS IN
RELATED QUESTIONS
Give one example in the given cases:-
A force changes the shape of a body
Define the term linear momentum. State its S.I unit.
Complete the following sentence:
The mass of a body remains constant till the velocity of the body is ..........
Define Newton (the S.I unit of force)
Define 1 kgf how is it related to Newton?
Which of the following is not the force at a distance:
(a) electrostatic force
(b) gravitational force
(c) frictional force.
(d) magnetic force.
A cricket ball of mass 100 g strikes the hand of a player with a velocity of 20 ms-1 and is brought to rest in 0.01 s calculate
1) the force applied by the hand of the player.
2) the acceleration of the ball
A truck of mass `5 xx 10^3` kg starting from rest travels a distance of 0.5 km in 10 s when a force is applied on its calculate:
1) the acceleration acquired by the truck and
2) the force applied
Why is it easier to open a door by applying the force at the free end of it?
Define 1 Dyne.
Define an Inclined plane.
How do you define force? What are the forces acting on a man standing in a lift? If the lift moves down with an acceleration of 2 ms−2, what is the net force on the man if his mass is 50 kg?
Turning a nut with a spanner having a short handle is so easy than one with a long handle.
Derive the unit of force using the second law of motion. A force of 5N produces an acceleration of 8 m s–2 on a mass m1 and an acceleration of 24 m s–2 on a mass m2. What acceleration would the same force provide if both the masses are tied together?
Assertion: Force is defined as a push or pulls acting on a body.
Reason: CGS unit of force is the newton.
In ‘tug of war’ when two teams pull equally hard, then what happens?
Define force. Mention its SI unit.
Write true and false.
If mass increases, force decreases.
