Advertisements
Advertisements
Question
Why is it advantageous to turn before taking a long jump?
Advertisements
Solution
It is advantageous to run before taking a long jump because after running we get motion of inertia which helps in long jumping
APPEARS IN
RELATED QUESTIONS
A person drops a coin. Describe the path of the coin as seen by the person if he is in
- a car moving at constant velocity and
- in a free falling elevator.
Find the acceleration of the blocks A and B in the three situations shown in the following figure.
Define linear momentum and state its S.I. unit.
The linear momentum of a body of mass m moving with velocity v is :
A pebble is dropped freely in a well from its top. It takes 20 s for the pebble to reach the water surface in the well. Taking g = 10 m s-2 and speed of sound = 330 m s-1. Find : The depth of water surface
An electron of mass 9 × 10−31 kg is moving with a linear velocity of 6 × 107 ms−1. Calculate the linear momentum of electron.
A motorcycle of mass 100 kg is running at 10 ms−1. If its engine develops an extra linear momentum of 2000 Ns, calculate the new velocity of a motorcycle.
Use Newton's second law to explain the following:
We always prefer to land on sand instead of hard floor while taking a high jump.
A hockey player is moving northward and suddenly turns westward with the same speed to avoid an opponent. The force that acts on the player is ______.
The position time graph of a body of mass 2 kg is as given in figure. What is the impulse on the body at t = 0 s and t = 4 s.
