Question

An object thrown at a certain angle to the ground moves in a curved path and falls back to
the ground. The initial and the final points of the path of the object lie on the same
horizontal line. What is the work done by the force of gravity on the object ?​

Answer 1

Answer:

mgh

Explanation:

that that is the the mass into gravitational acceleration into height of the body from the ground.

Answer 2

here is your answer ⬇️⬇️

ᴡᴏʀᴋ ᴅᴏɴᴇ ʙʏ ᴛʜᴇ ғᴏʀᴄᴇ ᴏғ ɢʀᴀᴠɪᴛʏ ᴏɴ ᴀɴ ᴏʙᴊᴇᴄᴛ ᴅᴇᴘᴇɴᴅs ᴏɴʟʏ ᴏɴ ᴠᴇʀᴛɪᴄᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ. ᴠᴇʀᴛɪᴄᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ ɪs ɢɪᴠᴇɴ

ʙʏ ᴛʜᴇ ᴅɪғғᴇʀᴇɴᴄᴇ ɪɴ ᴛʜᴇ ɪɴɪᴛɪᴀʟ ᴀɴᴅ ғɪɴᴀʟ ᴘᴏsɪᴛɪᴏɴs/ʜᴇɪɢʜᴛs ᴏғ ᴛʜᴇ ᴏʙᴊᴇᴄᴛ, ᴡʜɪᴄʜ ɪs ᴢᴇʀᴏ.

ᴡᴏʀᴋ ᴅᴏɴᴇ ʙʏ ɢʀᴀᴠɪᴛʏ ɪs ɢɪᴠᴇɴ

ʙʏ ᴛʜᴇ ᴇxᴘʀᴇssɪᴏɴ,

ᴡ= ᴍ ɢ ʜ

ᴡʜᴇʀᴇ,

ʜ= ᴠᴇʀᴛɪᴄᴀʟ ᴅɪsᴘʟᴀᴄᴇᴍᴇɴᴛ = 0

ᴡ = ᴍ ɢ — 0 = 0 ᴊ

ᴛʜᴇʀᴇғᴏʀᴇ, ᴛʜᴇ ᴡᴏʀᴋ ᴅᴏɴᴇ ʙʏ ɢʀᴀᴠɪᴛʏ ᴏɴ ᴛʜᴇ ɢɪᴠᴇɴ ᴏʙᴊᴇᴄᴛ ɪs ᴢᴇʀᴏ ᴊᴏᴜʟᴇ.

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